Jeep Grand Cherokee

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Jeep Grand Cherokee
2011 Jeep Grand Cherokee Laredo
Manufacturer Chrysler (1993–present)
Magna Steyr (1994-2009)[1]
Production January 1992–present
Model years 1993-present
Class Mid-size SUV
Body style 4-door SUV
Layout Front engine, rear-wheel drive / Four-wheel drive

The Jeep Grand Cherokee is a Mid-size SUV produced by the Jeep division of Chrysler. While some other SUVs were manufactured with body on frame construction, the Jeep Grand Cherokee has always used a unibody chassis.[2]

Contents

Development

The Grand Cherokee's origins date back to 1983 when American Motors (AMC) engineers were designing a successor to the smaller Jeep Cherokee (XJ).[3] Three outside (non-AMC) designers—Larry Shinoda, Adam Clenet, and Giorgetto Giugiaro—were under contract with AMC to create and build a clay model of the Cherokee replacement, then known as the "XJC" project.[4] However, the basic design for the Cherokee's replacement was well under way by AMC's in-house designers and the 1989 Jeep Concept 1 show car foretold the basic design.[5]

The Grand Cherokee was the first Chrysler-badged Jeep product. Development work for the new model continued and Chrysler employees (after the 1987 buyout of AMC) were eager for a late-1980s release date; however, CEO Lee Iacocca was pushing for redesigned Chrysler minivans, thus delaying the Grand Cherokee's release until late 1992 as an Explorer competitor. Unlike the Explorer, the Grand Cherokee utilized monocoque (unibody) construction, whereas the Explorer was a derivative of the Ranger pickup with a separate body-on-frame.

The Grand Cherokee debuted in grand fashion at the January 1992 North American International Auto Show in Detroit, Michigan. Then Chrysler president Robert Lutz drove Detroit mayor, Coleman Young, up the steps of Cobo Hall and through a plate glass window to show off the new vehicle. Sales of the 1993 model year Grand Cherokee began in April 1992.[6]

Production of the Grand Cherokee started shortly afterward in the purpose-built Jefferson North Assembly in Detroit, Michigan, United States. European Grand Cherokees are manufactured in Austria by Magna Steyr.[7]

ZJ (1993–1998)

ZJ
1993–1995 Jeep Grand Cherokee Laredo
Production January 1992–1998
Model years 1993-1998
Assembly

Detroit, Michigan, United States
Graz, Austria
Córdoba, Argentina

Valencia, Edo Carabobo, Venezuela
Class Mid-size SUV
Platform ZJ
Engine 4.0 L AMC 242 I6 4.0 L Power Tech I65.2 L Magnum V8
5.9 L Magnum V8
2.5 L 425 OHV I4
Transmission 4-speed Aisin AW-4 automatic
5-speed Aisin AX-15 manual
4-speed 42RE automatic
4-speed 44RH automatic
4-speed 44RE automatic
4-speed 46RH automatic
4-speed 46RE automatic
Wheelbase 105.9 in (2,690 mm)
Length 1993–95: 178.7 in (4,539 mm)
1996–98: 181.2 in (4,602 mm)
Width 1993-95: 69.2 in (1,758 mm)
1996–98: 69.2 in (1,758 mm)
Height 67.3 (1709 mm)
Curb weight I6: 3,574 lb (1,621 kg)
V8: 3,901 lb (1,769 kg)

The ZJ models, manufactured from 1992 to 1998, originally came in three trim levels: Base, Laredo, and Limited. The Base model offered core features such as full instruments, cloth interior, a standard five-speed manual transmission, while soon gaining the moniker SE name in 1994. Creature comforts like power windows and locks were not standard equipment on the SE, although conveniences like these were finally included in 1995; a somewhat contrasting pricetag with minimal production numbers resulted with low consumer demand and dropping the now-uncommon bare-bone model forever. Additional standard features of note for that time included a driver-side air bag and four-wheel anti-lock braking system (ABS). The Laredo was the mid-scale model (essentially becoming base model after 1996), standard features included added body cladding power windows, power door locks, and cruise control; exterior features displayed a medium grey plastic lower body paneling and five-spoke aluminum wheels. The Limited was the premium model, with the lower body paneling being the same color as the vehicle color. The Limited also boasted standard features such as leather seating, optional power sunroof, mirrors, seats, and remote keyless entry system; heated mirrors, and heated seats, a basic onboard computer; and waffle-like cast aluminum wheels. The Country version was also offered between 1993 and 1997. They were generally painted "Champagne Pearl" or black. It came with 4WD and a 4.0 straight-6. Package groups that could be added to or were included with the various trim levels included: Convenience, Fog Lamp / Skid Plate, Lighting, Luxury, Power, Security, Trailer/Towing.

In 1995 the performance of the V8 engine was upgraded to 300 lb·ft (410 N·m) from 285 previously. 1996 brought cosmetic changes ranging from improved body modeling (grille, bumpers), and integrated foglights; interior features added dual airbags and increased fabric quality for seating. At the same time, the "Grand Cherokee" fender emblems in the American Motors-typeface dating back to 1974 were replaced with the typeface used on other Chrysler vehicles. The AMC 4.0 L straight-6 engine, able to tow 5,000 lb (2,300 kg), was also refined, through minimal loss in power but gained more torque and presented quieter operation. Limited models that year and onward had more luxury items such as driver placement memory, remote radio control from the steering wheel, and variable-assist power steering.

Between 1996-98, the export Grand Cherokee Laredo (marketed for Japan) had the optional Aspen package (source: The Story of Jeep).

4x4

Four-wheel drive systems included Command-Trac, a part-time unit offering temporary 4-wheel assistance; Command-Trac was dropped from lineup in conjunction with the SE trim in 1996. Selec-Trac had the option of either full-time or part-time operation; both shift-on-the-fly Command-Trac and Selec-Trac were already available for the Cherokee, and they were adapted to the Grand Cherokee. Exclusive to the Grand Cherokee was the introduction of Quadra-Trac system with permanent all-time four-wheel assistance. This was optional on all models. Low-range required using a manual shift lever for all three systems.

Suspension

The Quadra-Coil suspension was standard and featured a solid axle multi-link coil spring design. By allowing the locating arms to positively control axle positions the handling attributes were improved. The rear suspension has 4 trailing arms with two coil springs per side. Like its XJ counterpart, the Quadra-Link front suspension was carried over.

An available "Up Country" package was offered. The suspension package included heavier duty German made gas charged shocks installed upside down, taller coil springs and longer bump stops. Ground clearance was increased by one inch.

Awards

The Grand Cherokee V8 was on Car and Driver magazine's Ten Best list and was Motor Trend magazine's Truck of the Year for 1993.

It was also Petersen's 4x4 of the Year in 1993, 1996 (with the redesigned NV249 transfer case), 1998 (with the newly available 5.9L V-8), 1999 (with its acclaimed 2nd generation model), 2001 (with the new 5-speed transmission), and 2005 (with its 3rd generation model).

Models

1993 Jeep Grand Cherokee Limited
1996–1998 Jeep Grand Cherokee Laredo
  • 1993–1995 — Base "SE"
  • 1993–1998 — Laredo
  • 1993–1998 — Limited
  • 1995–1997 — Orvis "Limited Edition"
  • 1997–1998 — TSi
  • 1993 Grand Wagoneer
  • 1998 5.9 Limited

Engines

Years Displacement Engine Power Torque Notes
1996–1998 2.5 L Diesel 425 OHV I4 114 hp (85 kW) 221 lb·ft (300 N·m) export
1993–1995 4.0 L (242 CID) AMC I6 190 hp (142 kW) 225 lb·ft (305 N·m)
1996–1998 4.0 L (242 CID) AMC Power Tech I6 185 hp (138 kW) 225 lb·ft (305 N·m)
1993–1998 5.2 L (318 CID) Magnum V8 225 hp (164 kW) 300 lb·ft (407 N·m)
1998 5.9 L (360 CID) Magnum V8 245 hp (183 kW) 345 lb·ft (468 N·m) Limited

Special edition ZJs

Throughout its lifetime, there were several different "one-off" and special edition models of the ZJ. The following highlights several of these.

Jeep Grand Wagoneer (1993)

1993 Jeep Grand Wagoneer

For 1993 alone, Jeep carried over the Grand Wagoneer name for a special luxury version of the Grand Cherokee with both the 4.0L I6 and the 5.2 L V8 engines, this marked the last appearance for the Grand Wagoneer in the Jeep lineup. Having all the features of the Limited, it featured a simulated wood grain body cladding, along with special Grand Wagoneer badging, and a unique leather interior. This Jeep was the most costly of the line up, and was produced in limited numbers.

The Orvis Edition (1995–1997)

1996 Grand Cherokee Orvis

The Orvis (1995–1997)[9] was a Grand Cherokee Limited package that featured an exterior color scheme of Moss Green, or in 1997 the (less common) Light Driftwood, with roan red and maize side strip accents (1995). Moss Green paint accents on the road wheels (matching the moss green body color) and the special "Orvis" brand badging were the only significant exterior visual differences. In performance, the 5.2 V8 engine became standard, but was available with a 4.0 inline 6-cylinder engine. Also, all Orvis editions were installed with tow hooks and the Up-Country suspension group. However, the interior was special. Two-tone green and tan leather seats were complemented with roan red accent piping and Orvis insignia. There was a slight difference between the 1996 and 1997 years' interior compared to each other. The 1996 had a black dash where the 1997 had a tan dash, The Orvis Edition luxury trim package was optional on the Limited version, and when equipped with all the other options was the most expensive of all the Grand Cherokee versions until 1998 when the 5.9 Limited was introduced.

Production numbers of the Orvis Editions are:

  • 1995: 10,020
  • 1996: 2,341
  • 1997: 2,733

TSi (1997–1998)

1998 Grand Cherokee TSi

A sporty TSi model (1997–1998) briefly debuted, exterior features included single color body paneling, with lower indigo blue striping and TSi accent similar to that found on the Eagle Talon model. They could only be ordered in select colors, which included Black, Platinum, and Deep Amethyst. TSi packages came equipped with 5 spoke 16-inch (410 mm) alloy wheels, 225/70R16 tires, sport tuned suspension and steering, fog lights, Luxury group, featuring: "Highland" perforated leather seats, overhead computer, power driver's seat and a premium sound system with steering wheel mounted controls. The 4.0 litre I6 and the 5.2 litre V8 were the only two available engines in this package. The TSi was priced between the Laredo and the Limited; however, it was comparatively unpopular and a limited number were sold.

The 5.9 L Limited ZJ (1998)

The 5.9 Limited was a Jeep Grand Cherokee produced only for the 1998 model year, having more luxury and performance than that of the regular Limited. Chrysler manufactured nearly a quarter million Grand Cherokees in 1998. Of those, fewer than fifteen thousand were 5.9s. It housed a Magnum 5.9 LV8 engine with an output of 245 hp (183 kW) and 345 lb·ft (468 N·m) of torque, going from zero to 60 mph (100 km/h)in only 7.3 seconds[10] (Motor Trend measured this at a slightly faster 6.8 seconds[11]), making it the quickest SUV available that year. The performance of the 1998 5.9 L V8 has been surpassed by Jeep only with the introduction of the 2006 Jeep Grand Cherokee SRT8, which housed a 6.1 L Hemi Engine.[12] The 5.9 Jeep Grand Cherokee was named the 1998 four-wheel drive vehicle of the year by Petersen's 4-Wheel & Off-Road Magazine.[13]

The 5.9 Limited was available only in Deep Slate, Stone White, and Bright Platinum. Other features separated the 5.9 from the standard Limited model including:[14]

A Deep Slate 1998 Grand Cherokee 5.9 L (Note hood louvers and mesh grille inserts)
  • Functioning heat-extracting hood louvers
  • Revised grill with mesh grille inserts
  • Five-spoke alloy Ultrastar wheels
  • Black-wall tires
  • An improved premium 180 watt, 10 speaker Infinity stereo system
  • A rear speaker bar for additional Infinity speakers
  • Calf-grain, soft leather seats and trim
  • Leather door inserts
  • Leather shift handle, e-brake and transfer case handle
  • Enhanced faux wood trim throughout, additionally around the transmission shift handle base
  • A full-leather spare tire cover with multiple pockets
  • A center leather armrest in the rear seat
  • A lower-profile roof rack that eliminated squeaking problems found on the base 5.2 L limited
  • Molded rocker panels

The Grand Cherokee 5.9 further included additional performance-enhancing features including:

  • A stronger 46RE transmission than the 5.2
  • Quadratrac heavy duty NV249 transfer case
  • Standard trac-lock rear differential
  • An electric fan
  • A high-output 150A alternator
  • Lower restriction exhaust and chrome plated exhaust tip[15]
Further Statistics from Motor Trend January, 1998
[16]
Model Production Total Percent
1993–1998 Jeep Grand Cherokee "ZJ" 1,428,095[17] 100.00%
1998 Jeep Grand Cherokee 247,372 17.32%
1998 Jeep Grand Cherokee 5.9 Limited 14,286 1.00%
5.9 Limited w/Federal Emissions 10,051 0.70%
5.9 Limited w/CA Emissions 4,235 0.30%

WJ (1999–2004)

WJ
2002 Jeep Grand Cherokee (WJ)
Production 1999–2004
Assembly

Detroit, Michigan, United States
Graz, Austria
Beijing, China
Córdoba, Argentina (until 2001),

Valencia, Venezuela
Class Mid-size SUV
Platform WJ
Engine 4.0 L PowerTech I6
4.7 L PowerTech V8
4.7 L H.O. PowerTech V8
3.1 L 531 OHV I5
2.7 L OM647 I5
Transmission 4-speed 42RE automatic
45RFE automatic
5-speed 545RFE automatic
Wheelbase 105.9 in (2,690 mm)
Length 1999–2000: 181.5 in (4,610 mm)
2001-03: 181.6 in (4,613 mm)
2004: 181.3 in (4,605 mm)
Width 1999–2000 & 2004: 72.3 in (1,836 mm)
2001–03: 72.6 in (1,844 mm)
Height 1999–2000 & 2004: 69.4 in (1,763 mm)
2001–03: 70.3 in (1,786 mm)
Curb weight 3,669 lb (1,664 kg)

The redesigned WJ 1999 Grand Cherokee shared just 127 parts with its predecessor (mostly fasteners). The spare tire was relocated from the side of the cargo compartment to under the floor. The two heavy pushrod V8 engines were replaced by Chrysler's then-new PowerTech. New V8 engine produced less torque than the old pushrods, but was lighter, offered better fuel economy, and provided similar on road performance figures (the 23-gallon fuel tank was replaced with one of a 20.5-gallon capacity). The Inline 6 engine was also updated in 1999. A redesign of the intake manifold added 10 horsepower (7.5 kW). While other Jeep vehicles used the Mopar 5 x 4.5 bolt circle, this was the first Jeep following the 1987 Chrysler buyout to receive a wider bolt pattern: – 5 x 5.

A notable feature available in this generation was the automatic four wheel drive option called Quadra-Drive, which employed the New Venture Gear NV247 transfer case. This two-speed chain-driven transfer case uses a gerotor, a clutch pack coupled to a hydraulic pump, to transfer torque between the front and rear axles. The transfer case contains three modes, 4-All Time, Neutral, and 4-Lo. In 4-All Time, 100% of torque is sent to the rear axle in normal conditions. If the rear axle starts spinning at a higher rate than the front axle, hydraulic pressure builds up in the gerotor and causes the clutch pack to progressively transfer torque to the front axle until both axles return to the same speed. Neutral mode is intended for towing the vehicle. In 4-Lo, the front and rear axles are locked together through a 2.72 reduction gear ratio. The NV247 transfer case is mated to front and rear axles containing Jeep's Vari-Lok differentials. Vari-Lok differentials also use a gerotor to transfer torque between the wheels on either side of the axle. The major advantage of Quadra-Drive was that the combined transfer case and progressive locking differentials in each axle could automatically control traction between all four wheels. However, only the center differential could be permanently locked, and only in 4Lo. The Quadra-Trac II system included the NV247 transfer case with the standard open front and rear differentials.

The 45RFE and 545RFE automatic transmission in the WJ was notable. It included three planetary gear sets rather than the two normally used in a four-speed automatic. This gave it six theoretical speeds, and it would have been the first six-speed transmission ever produced in volume, but it was programmed to only use five of these ratios. Four were used for upshifts, with a different second gear for downshifts. Although five of the six ratios were used, Chrysler decided to call it a "4-speed automatic". In 2001, the programming was changed to make use of all six ratios. Rather than have six forward gears, the transmission was programmed to act as a five-speed with the alternate second gear for downshifts. The rpm at 70 miles per hour (110 km/h) on a 545RFE is 2000 rpm, 200 rpm less than the 45RFE programming. 1999 and 2000 model year WJ owners can have their 45RFE transmission's programming flashed to enable the extra gear as both transmissions are physically the same. The 42RE 4-speed automatic remained the transmission for the Inline 6 engine. It had slight changes from the previous model Grand Cherokee.

The interior was also completely redesigned in 1999. The redesign allowed for larger rear doors, and more space for rear passengers. Controls for various items like headlights, heated seats, and rear wiper were moved to more convenient locations. The electronic Vehicle Information center was moved from below the radio to above the windshield, and was standard on all 2000 and up models. Limited models included automatic dual-zone climate control. A 10 CD-Changer was also available with the Infinity Audio package.

In addition to Jeep's UniFrame construction, Daimler Chrysler partnered with Porsche to further strengthen the frame.Template:Citation needed This was done to reduce NVH. UniFrame is an unusual construction scheme, it incorporates all of the strength and durability of a body-on-frame construction into a unitized construction. By adding stiffness and rigidity to the structure, they enhanced the ride and strengthened the network of steel beams, rails and pillars (or "safety cage") that surround and protect occupants. More than 70 percent of the underbody is high-strength steel. All Jeep Grand Cherokees feature UniFrame construction.

The Grand Cherokee received a minor facelift for 2004 including round fog lamps, a lower front fascia and a new body-color matched inset grille design.

Models

Pre- and post-facelifted WJ Grand Cherokees, right and left respectively

The Laredo and luxurious Limited trim levels were standard models.

Specialty models:

These specialty models appeared for a brief time, The Sport was slightly more equipped than the Laredo and offered a two-tone black trim interior for style. The Special Edition was introduced, priced between the Laredo and Limited, offering the same quality of the Limited, differences include the option of the 4.7 L V8 engine. The Special Edition uses the Qudra-Trac II drivetrain, which utilizes the same NV247 transfer case as the limited edition, but lacks Quadra-Drive's front and rear Vari-Lok differentials. Special Edition came with premium interior details (Instrument cluster graphics were shared with Laredo model, did not acquire white-faced gauges from Limited model), Plush Leather seats, AM-FM, In-Dash CD/Cassette along with ten-disc CD changer stowed in a well thought location in within cargo space. Special Edition Trim package from bumper to bumper was presented with a fully polished, non-textured finish. Front grille was standard issue on the Special Edition. The Overland (appropriated after the former Jeep parent, Willys-Overland) was the top-of-the-line alongside the Limited the 4.7 L High Output engine V8 debuted as the standard motor. Alongside a wealth of standard features such as plusher interior trim with "Overland" badging, mid-2003 came a revised strong black two-tone trim interior. Front and side-curtain airbags, an Infinity sound system with 10-disc changer, heated/power front seats, integrated rock rails, power sunroof, wood/leather steering wheel and 17-inch alloy wheels were also standard. The Columbia Edition offered the usual features of the other specialty models besides a strong unique two-tone interior with "Columbia Sportswear" badging, with the 4.7 L H.O. engine and GPS optional. The Freedom Edition was a modified Laredo model. Features include special badging, painted charcoal rock rails, charcoal lower-body cladding and front/rear fascias, charcoal painted wheels, silver interior accents, and optional leather seats.

Chinese production

Beijing Jeep Corporation, Ltd. had been producing the XJ classic Cherokee since 1984, and in 2004 they bought the old tooling for the WJ Grand Cherokee when the WK was introduced for the USA as a 2005 model. After some tooling up time, the WJ was introduced in 2006 for the Chinese market as the Jeep 4000 and 4700 Grand Cherokee (for the 4.0 I-6 and 4.7 V8, inc. HO, models respectively).

It was their flagship model and nearly identical to the 2004 Grand Cherokee Limited in looks and equipment, including the solid axle suspension, choice of 4wd systems, body color cladding, alloy wheels, Chrysler sound systems, and Chrysler automatic climate controls. This is unlike the XJ Cherokee that was significantly modified by Beijing Jeep for the Chinese market.

As of 2010, the current model is sold in China.[18]

Engines

Years Displacement Engine Power Torque Notes
1999–2004 4.0 L (242 CID) Power Tech I6 195 hp (145 kW) 230 lb·ft (310 N·m) @ 3000 rpm
1999–2004 4.7 L (287 CID) PowerTech V8 235 hp (175 kW) 295 lb·ft (400 N·m) @ 3200 rpm
2002–2004 4.7 L (287 CID) High Output PowerTech V8 265 hp (198 kW) 330 lb·ft (450 N·m) Limited, Overland and Freedom Edition only
1999–2001 3.1 L Diesel 531 OHV Diesel I5 138 hp (103 kW) 283 lb·ft (384 N·m) available in Europe, South Africa and Mercosur/Mercosul
2002–2004 2.7 L Diesel OM647 Diesel I5 161 hp (120 kW) 295 lb·ft (400 N·m) available in Europe, South Africa, Australia and Mercosur/ Mercosul

Detroit Diesel/VM Motori

The 3.1 litre turbo-diesel on the 1999 Grand Cherokee was developed in conjunction with Detroit Diesel/VM Motori. It has an electronic injection pump, electronically-controlled, vacuum-actuated exhaust gas recirculation, and a special catalyst to control oxides of nitrogen (NOx). Manufactured in Cento, Italy, at 13,000 units per year. It was available in European models and meets the European stage III emissions.

  • Displacement: 3,124 cc (191 cu in)
  • Power: 104 kW (141 PS; 139 bhp)
  • Torque: 367 N·m (271 lb·ft)
  • Transmission: Four speed electronically controlled automatic

WK (2005–2010)

WK
2005–2007 Jeep Grand Cherokee
Production 2005–2010
Assembly Detroit, Michigan, United States
Graz, Austria
Valencia, Carabobo,Venezuela
Class Mid-size SUV
Platform WK
Engine 3.7 L PowerTech V6
4.7 L PowerTech V8
5.7 L Hemi V8
6.1 L Hemi V8 (SRT-8)
3.0 L OM642 V6 CRD
Transmission 5-speed 545RFE automatic
5-speed W5A580 automatic
Wheelbase 109.5 in (2,781 mm)[22]
Length 186.6 in (4,740 mm)
2005–07 SRT-8: 195.1 in (4953 mm)
Width body: 73.3 in (1,862 mm)
at mirrors:84.3 in (2,141 mm)
Height 2005–07: 67.7 in (1,720 mm)
2008–2010: 68.7 in (1,745 mm)
2008–2010 SRT8: 66.7 in (1,694 mm)
Curb weight

2005 Euro 3.0 CRD (Diesel)   2,210 kg (4,872 lb)

Limited 4WD 5.7 L: 4,735 lb (2,148 kg)

NOTE: 2WD not available in Europe & UK.
Related Jeep Commander

The all-new WK Grand Cherokee debuted in 2004 for the 2005 model year. Features available for the first time in a Jeep included Quadra-Drive II four-wheel drive, rear-seat DVD player and optional 5.7 L Hemi V8. The 3.7 L V6 engine replaced the 4.0 L Straight-6.

The design still emphasizes power and luxury, with significant work done on improving noise, vibration, and harshness (NVH). However, for the first time, Jeep also emphasized on-road performance to a similar extent as the cornerstone of its brand, off-road capability.

This newfound emphasis on on-road refinement led Jeep to replace the live-axle with leading-arms front suspension (found in the ZJ and WJ) with a new design: an independent double-wishbone setup like that which debuted in the 2002 Liberty. The new Jeep changed its philosophy due to what it perceived as increasing demand in the SUV marketplace for on-road performance and decreasing demand for off-road capability.

The 2007 Jeep Grand Cherokee made its European debut at the Euro Camp Jeep held in Ardèche, France.

2008 Jeep Grand Cherokee

The Grand Cherokee received a minor facelift for 2008. The bottom part of the headlights became rounded, and the lower portion of the front bumper became removable to increase the approach angle for off-road use. The 4.7 L was refined, now producing 305 hp (227 kW; 309 PS), and 334 lb·ft (453 N·m).

The 2009 Jeep Grand Cherokee is available with an improved 5.7 L Hemi engine rated at 357 hp (266 kW; 362 PS) and 389 lb·ft (527 N·m) of torque. The engine uses variable valve timing to increase fuel economy.[23]

Models

  • 2005–2010 – Laredo (not in Europe)
  • 2005–2010 – CRD Predator (Europe)
  • 2005–2010 – Limited
  • 2006–2010 – Overland
  • 2006–2010 – SRT-8
  • 2006 - 65th Anniversary Edition

Engines

Years Engine Power Torque Notes
2005–2010 3.7 L PowerTech V6 210 hp (157 kW) 235 lb·ft (319 N·m) Laredo, Limited
2005–2007 4.7 L PowerTech V8 265 hp (198 kW) 305 lb·ft (414 N·m) Laredo, Limited
2008–2009 4.7 L power tech V8 305 hp (227 kW) 334 lb·ft (453 N·m) Laredo, Limited
2005–2008 5.7 L Hemi V8 330 hp (246 kW) 375 lb·ft (508 N·m) Limited, Overland
2009–2010 5.7 L Hemi V8 357 hp (266 kW) 389 lb·ft (527 N·m) Laredo, Limited, Overland
2006–2010 6.1 L Hemi V8 425 hp (317 kW) 425 lb·ft (576 N·m) SRT-8
2005 (2007-2008 in NA)– 3.0 L OM642 V6 215 hp (160 kW) 376 lb·ft (510 N·m) Laredo, Limited, Overland

Notes

-The 4.7 L High Output engine that first appeared with the Grand Cherokee Overland WJ was dropped from the current Jeep lineup. It is now used in the Dodge Dakota and Dodge Ram 1500. The 4.7 L was revised in 2008, increasing horsepower and torque to 310 hp (231 kW; 314 PS) and 330 lb·ft (447 N·m) of torque. A dedicated High Output version was dropped as a result.

-The WK is known as a WH in International (i.e. non-US) markets

-The 5.7 L HEMI engine for 2005-2008 has slightly less horsepower than those found in the Dodge Ram or the Dodge Charger (330 vs 345) due to different engine control unit (ECU) programming .

-The 5.7 L HEMI engine for 2009 and up was upgraded with Variable Cam Timing (VCT) adding 27 hp (20 kW; 27 PS) and 14 lb·ft (19 N·m) of torque.

-The 3.0 L diesel ceased production for North America at the end of 2008. The late production models with diesel engines are commonly referred to as 2008.5 models. They can not be stamped as 2009 models due to more restrictive diesel emissions standards.

SRT-8

2010 Jeep Grand Cherokee SRT-8

An SRT-8 (Street and Racing Technology V8) version of the Grand Cherokee debuted at the 2005 New York International Auto Show. Powered by a 420 hp (313 kW) version of the 6.1 L Hemi, it also features upgraded Brembo brakes, large dual performance exhaust with polished tips (exiting out the middle of the rear), Bilstein performance gas charged shocks and modified suspension components, Mercedes-Benz NAG1 (WA580) 5-speed transmission, unique NV146 transfer case, specially designed electronic all-wheel-drive system and interior and exterior updates. A drive shaft from a diesel application, fortified Dana 44 rear differential, and 11.2" (285 mm) wide Goodyear tires in the rear (10" or 255 mm in the front) complement the performance package. The sports tuned suspension allows the Jeep SRT8 to hold 0.92 g on the skid-pad.

A road test of the 2006 model by Road & Track magazine yielded a 0 to 60 mph time of 4.6 seconds and a quarter mile dragstrip of 13.2 seconds at 104.1 miles per hour (167.5 km/h). Such numbers made the SRT-8 Grand Cherokee the fastest accelerating vehicle within the SRT8 lineup (which at the time included the Chrysler 300C, Dodge Charger, Dodge Challenger and the now-discontinued Dodge Magnum), and third only to the SRT10 Viper and SRT6 Chrysler Crossfire among all SRT tuned vehicles. There is no electronic speed governor employed, leaving the top speed rev-limited (revving to redline in top gear) to 170 mph (270 km/h).[24]

To achieve superior on-road handling, off-road gear has been removed to make the SRT-8 lighter. The SRT-8 uses an NV146 transfer case, which uses an electronic-applied clutch pack to transfer 0-50% of torque to the front axle but has no low-range or manual controls. The front and rear differentials are both open, with no limited-slip capability. Its ride stance is significantly lower and the front fascia spoiler gives the vehicle 7 inches (178 mm) of ground clearance. The Grand Cherokee SRT-8 was the first SRT vehicle to wear the Jeep emblem.

A total of 11,775 Jeep SRT8s were produced.

Diesel

2005 Grand Cherokee with 3.0 V6 Turbo Diesel

In Europe, South America, South Africa and Australia, a V6 CRD engine produced by Mercedes-Benz was available from its introduction in 2005:

OM642 3.0 L CRD V6 Turbo Diesel with Variable geometry turbocharger (VGT). It produces 215 horsepower (160 kW; 218 PS) and 376 lb·ft (510 N·m) of torque at 1,600 to 2,800 rpm at a fuel consumption of 17 mpg-US (14 L/100 km; 20 mpg-imp) city and 22 mpg-US (11 L/100 km; 26 mpg-imp) highway.

Note: MPG figures are based on United States Environmental Protection Agency, European combined consumption is 27.7 mpg-imp (10.2 L/100 km; 23.1 mpg-US).

In North America and elsewhere this 3.0 CRD V6 was available from 2007, but was short lived. The Mercedes-Benz sourced unit meets stringent Euro 4 Emission standards without the need for a diesel particulate filter - which hampers vehicle efficiency, however - it includes a diesel particulate filter (North America only) to apparently further reduce exhaust emissions. It was not however available for sale in California or certain Northeast states, due to new stricter emissions regulations for non-commercial vehicles. Vehicles could be bought used in California and Northeast states, as the regulations only applied to new vehicles.

This engine is also used in the majority of Mercedes-Benz vehicles: C-Class, CLS, E-Class, S-Class, ML-Class, GLK-Class, GL-Class, G-Class, R-Class, the Vito / Viano and the Dodge / Freightliner / Mercedes-Benz Sprinter.

WK2 (2010-present)

WK2
2011 Jeep Grand Cherokee Laredo
Production 2010–present
Model years 2011–present
Assembly Detroit, Michigan, United States
Valencia, Carabobo,Venezuela
Engine 3.6 L Pentastar V6
5.7 L Hemi V8
6.4 L Hemi V8 (SRT-8)
3.0 L VM Motori RA 630 DOHC V6 diesel
Transmission 5-speed automatic W5A580
5-speed automatic 545RFE
Wheelbase 114.8 in (2,916 mm)
Length 189.8 in (4,821 mm)
Width 76.3 in (1,938 mm)
Height 69.3 in (1,760 mm)
Curb weight 4,261 lb (1,933 kg) (approx.)
Related Maserati Kubang
Mercedes-Benz M-Class
Mercedes-Benz R-Class
Mercedes-Benz GL-Class
Dodge Durango (2011)

The current generation Jeep Grand Cherokee went on sale in summer 2010 as a 2011 model.[25] It was unveiled at the 2009 New York Auto Show.[26] The 4th-generation Grand Cherokee retains its classic Jeep styling combined with a modern and sleek body style. The interior is luxurious featuring leather trim and wood accents, plus state-of-the-art electronics options. The 2011 Grand Cherokee has won 30 awards for off-road capability, luxury, value, best-in-class, and safety, making it the most awarded SUV ever. Among the awards are: Top Safety Pick for 2011 from the IIHS, listed as a Consumers Digest Best Buy for 2011, Safest SUV in America by MSN Autos, and Truck of the Year for 2011 by The Detroit News.

2011 Jeep Grand Cherokee Limited
2011 Jeep Grand Cherokee Limited (Australia)

The body design is all new and has undergone testing for aerodynamic efficiency while improving ruggedness with more than 5,400 welds in the body alone, resulting in a 146% torsional stiffness (over the previous design) for improved durability and reduced noise, vibration, and harshness.[27]

Like the previous generations, the chassis is steel uniframe. Unlike previous models, the new WK2 features 4 wheel independent suspension for better on road handling. Engine choices include the all new 3.6 L Pentastar V6 and 5.7 L Hemi V8. Four wheel drive systems include Quadra-Trac I, Quadra-Trac II, and Quadra-Drive II. Optional Quadra-Lift suspension can raise vehicle's ground clearance up to 11.1 in (282 mm).[28] Lift modes include Park, Aero, Normal Ride Height, Off-Road 1, and Off-Road 2. Also new is the Selec-Terrain which has modes for Auto, Sport, Snow, Sand/Mud, and Rock.

The Hemi V8 retains the Multiple Displacement System (MDS) that shuts down four cylinders in low-power driving situations. And the V8 remains coupled with the multi-speed automatic transmission which includes Electronic Range Selection (ERS) to manually limit the high gear operating range. Trailer tow is rated 7,400 lb (3,400 kg) for Hemi models and 5,000 lb (2,300 kg) for Pentastar models.[29]

The 3.6 L Pentastar V6 replaces the 3.7 L and 4.7 L PowerTech engines. The 5.7 L Hemi engine was retained as the V8 option, although no Hemi badging will be used on the exterior of the vehicle. Also, the WK program code remains.

Some features changes with this generation are the handbrake being replaced by a footbrake, the wiper stalk on the right side of the steering column being moved to the turn signal stalk, which also means the lights move to the dash.

A 3.0 litre turbocharged diesel V6 developed and built by Fiat Powertrain and VM Motori (with Multijet II injection[30]) rated at 177 kW (241 PS; 237 hp) and 550 N·m (410 lb·ft) of torque will be offered in export markets by mid-2011.[31] The new 3.0 L CRD turbodiesel engine will also be offered in European markets as 140 kW (190 PS) low power version.[32]

For the 2011 model year, the Grand Cherokee is offered in five trim levels: Laredo, Laredo X, Limited, Overland, and Overland Summit. The performance SRT-8 version returned for the 2012 model year.[33]

Years Engine Power Torque Notes
2011– 3.6 L Pentastar V6 290 hp (216 kW) 260 lb·ft (353 N·m) Laredo, Laredo X, Limited, Overland, Overland Summit
2011– 5.7 L Hemi V8 360 hp (268 kW) 390 lb·ft (529 N·m) Laredo X, Limited, Overland, Overland Summit
2012 6.4 L Hemi V8 465 hp (347 kW) 465 lb·ft (630 N·m) SRT8
2011- 3.0 L CRD V6 140 kW (190 PS; 188 hp) 440 N·m (320 lb·ft) Laredo, Limited
2011- 3.0 L CRD V6 177 kW (241 PS; 237 hp) 550 N·m (410 lb·ft) Limited, Overland

SRT-8

On April 20, 2011, Jeep announced that the SRT8 version will be debuted at the 2011 New York Auto Show. According to Chrysler, it's the most powerful Jeep ever built. 0-60 and quarter mile times have not been measured yet, but are expected to be on par with the previous generation SRT8.

The new Cherokee SRT-8, starts production on July 16, 2011,[34] will be equipped with a 465 hp (347 kW; 471 PS) 6.4 liter Hemi V8 engine. Jeep claims the new SRT8 gets 13-percent better fuel economy than its predecessor..Template:Citation needed To keep the gas mileage respectable, Jeep has employed a new active exhaust system that lets Chrysler's cylinder-deactivating Fuel Saver Technology operate over a wider rpm band. Chrysler claims that with the larger gas tank, the SUV can now travel up to 500 miles (800 km) on a single tank, while other sources estimate range to be 450 miles (720 km).

Production

In 2009, the company announced a US$1.8 billion, 285,000 square feet (26,477 m2) expansion of its Jefferson North Assembly plant to allow flexible manufacture of the next-generation model, as well as the 2011+ Dodge Durango off the same platform that was developed jointly with Mercedes (ML Chassis).[35]

Safety

Euro NCAP test results
Jeep Grand Cherokee (2011)[36]
Test Points %
Overall: 4 / 5 stars
Adult occupant: 29 81%
Child occupant: 34 69%
Pedestrian: 16 45%
Safety assist: 5 71%


Sales

Calendar Year United States Canada Outside North America Total
1993-1998[37] ~2,000,000
1999[38] 300,031
2000 271,723
2001[39] 223,612
2002[40] 224,233
2003 207,479
2004[41] 182,313
2005 213,584
2006[42] 139,148
2007 120,937
2008[43] 73,678
2009[44] 50,328 6,254 [45] 14,869[46] 71,451
2010[47] 84,635 7,255 [45] 91,890
2011[48] 127,744

See also

References

Inline
  1. "Chrysler Group Launches Production of New Jeep(R) Grand Cherokee at Magna Steyr in Austria", PR Newswire, retrieved on 2009-01-18
  2. "Jeep Grand Cherokee Review". http://www.edmunds.com/jeep/grand-cherokee/. Retrieved 10 April 2011. 
  3. "The development of the Jeep Grand Cherokee design". http://academics.concord.edu/chrisz/hobby/93-Jeep2design.html. Retrieved 1 February 2011. 
  4. Rothenberg, Al (March 1, 1998). "Design Debate—Who's the father of the Jeep Grand Cherokee?". Ward's AutoWorld. http://wardsautoworld.com/ar/auto_design_debate_whos/index.html. Retrieved 1 February 2011. 
  5. "Picture of the 1989 Jeep Concept 1 show car". http://academics.concord.edu/chrisz/hobby/93-JeepItems/89jeepShowCar-l.jpg. Retrieved 1 February 2011. 
  6. Hyde, Charles K. (2003). Riding the Roller Coaster: a history of the Chrysler Corporation. Wayne State University Press. p. 296. ISBN 9780814330913. http://books.google.com/books?id=aQhTq18vi7AC&pg=PA296&dq=April+2003+Jeep+Grand+Cherokee+introduced. Retrieved 4 February 2011. 
  7. National Academy of Engineering. Committee on the Offshoring of Engineering (2008). The offshoring of engineering: facts, unknowns, and potential implications. National Academies Press. p. 73. ISBN 9780309114837. http://books.google.com/?id=YRgaSEccQNEC&pg=PA73&dq=Magna+Steyr+contract+manufacturing+Grand+Cherokee&cd=1#v=onepage&q=. Retrieved 2010-01-18. 
  8. 8.0 8.1 8.2 8.3 8.4 8.5 Jeep (2000). "XJ 4.0L sec9 page115" (Print and pdf). Service Manual 2000 Jeep Cherokee. DiamlerChrysler. "bore x stroke = 3.88 x 3.413 in" 
  9. "1995 1996 1997 Jeep Grand Cherokee Orvis Edition 95 96 97 Jeep Orvis Edition". jeeporvis.com. http://www.jeeporvis.com/. Retrieved 2009-05-01. 
  10. Peterson's 4-wheel & Off-road, February 1998, at 81
  11. Motor Trend, January 1998, page 51
  12. See edmunds.com/cars/reviews/jgcsrt8
  13. Petersen's 4-Wheel & Off-Road Magazine, February 1998, at 81
  14. ID.
  15. Kolak (2008-07-19). "Are Niner parts used on other Mopar vehicles?". Jeeps Unlimited - Speed Freaks. http://www.jeepsunlimited.com/forums/showpost.php?p=8554928&postcount=14. Retrieved 2008-07-19. 
  16. Motortrend, January 1998
  17. Unknown (2008-07-18). "WJ sales, production dates & milestones". WJ Jeeps. http://www.wjjeeps.com/production.htm. Retrieved 2008-07-18. 
  18. Jeep's China web page, retrieved on November 17, 2007.
  19. 19.00 19.01 19.02 19.03 19.04 19.05 19.06 19.07 19.08 19.09 19.10 19.11 19.12 19.13 19.14 "Jeep - Specs & Upgrades:". Chrysler LLC. http://www.jeep.com/bridge/vehsuite.html?app=vehiclespecs&family=commander&model=Technical&zipcode=10101&year=2008. Retrieved 2008-05-06. 
  20. 20.0 20.1 20.2 20.3 20.4 "Jeep - Specs & Upgrades:". Chrysler LLC. http://www.jeep.com/bridge/vehsuite.html?app=vehiclespecs&family=grand_cherokee&model=Technical&zipcode=10101&year=2008. Retrieved 2008-05-13. 
  21. 21.0 21.1 21.2 21.3 21.4 21.5 "Jeep - Specs & Upgrades:". Chrysler LLC. http://www.dieselpowermag.com/news/0711dp_2007_jeep_grand_cherokee_crd/specifications.html. Retrieved 2008-05-13. 
  22. All 2005 specifications from: "2005 Jeep Grand Cherokee Specifications". jeephorizons.com. 2008. http://jeephorizons.com/news/2005gc_specs.html. Retrieved 30 December 20210. 
  23. "2009 Jeep Grand Cherokee Gets Powerful Boost from New HEMI Engine and More Premium Amenities". jeephorizons.com. http://www.jeephorizons.com/news/09_grand_cherokee_090108.html. Retrieved September 3, 2008. 
  24. Monticello, Mike (November 2006). "Chariots with Fire". Road & Track. http://www.roadandtrack.com/tests/comparison/chariots-with-fire/chariots_with_fire-3a_2006_jeep_grand_cherokee_srt8_page_3. Retrieved 2011-09-28. 
  25. Ulrich, Lawrence (2009-04-08). "2011 Jeep Grand Cherokee". The New York Times. http://www.nytimes.com/2009/04/12/automobiles/autoshow/NY-CHEROKEE.html?em. Retrieved 2010-06-30. 
  26. Paukert, Chris (2009-04-08). "New York: Muscled-up 2011 Jeep Grand Cherokee will take the stairs, thank you". Autoblog.com. http://www.autoblog.com/2009/04/08/new-york-muscled-up-2011-jeep-grand-cherokee-will-take-the-stai/. Retrieved 2010-06-30. 
  27. White, Jeremy. "The 2011 Jeep Grand Cherokee". Allpar.com. http://www.allpar.com/trucks/jeep/2011-cherokee.html. Retrieved 9 October 2010. 
  28. "The 2011 Jeep Grand Cherokee". Allpar.com. 2010-05-25. http://www.allpar.com/trucks/jeep/2011-cherokee.html. Retrieved 2010-06-30. 
  29. Paukert, Chris (2009-04-08). "New York: 2011 Jeep Grand Cherokee must serve two masters". Autoblog.com. http://www.autoblog.com/2009/04/08/new-york-2011-jeep-grand-cherokee-must-serve-two-masters/. Retrieved 2010-06-30. 
  30. "New Jeep Grand Cherokee Now Powered by New 3.0-liter Turbo Diesel Engine". Jeeppress-europe.com. http://www.jeeppress-europe.com/press/article/10992. Retrieved 2011-05-11. 
  31. "All-new Jeep Grand Cherokee Now Powered by New 3.0-liter Turbo Diesel Engine". chrysler.com. 2011-02-21. http://www.media.chrysler.com/newsrelease.do?id=10549&mid=297. 
  32. "Jeep Grand Cherokee". jeep.de. http://www.jeep.de/grand_cherokee/modelle/laredo_30_crd/index.html. Retrieved 2011-06-02. 
  33. "2012 Model-Year Chrysler, Dodge, and Jeep Cars, Trucks, and Minivans", retrieved on 2011–02–01.
  34. "Jeep Grand Cherokee WK2 - 6.4L SRT8". Wk2jeeps.com. http://www.wk2jeeps.com/wk2_srt8.htm. Retrieved 2011-06-02. 
  35. "Jeep Introduces All-new 2011 Grand Cherokee: Inventor of the SUV Hits the Sweet Spot of Real-world Capability and On-road Refinement". Autonewscast.com. 2009-04-08. http://www.autonewscast.com/2009/04/08/jeep%C2%AE-introduces-all-new-2011-grand-cherokee-inventor-of-the-suv-hits-the-sweet-spot-of-real-world-capability-and-on-road-refinement/. Retrieved 2010-06-30. 
  36. "Euro NCAP results for Jeep Grand Cherokee". euroncap.com. 2011. http://www.euroncap.com/files/460_datasheet.pdf. 
  37. "2009 New York Auto Show". automotiveaddicts.com. 2009-04-08. http://www.automotiveaddicts.com/3558/2009-new-york-auto-international-auto-show-2011-jeep-grand-cherokee/. Retrieved 2011-02-02. 
  38. "Chrysler Group Announces Year-End and December Sales". Theautochannel.com. http://www.theautochannel.com/news/press/date/20010103/press033497.html. Retrieved 2009-05-01. 
  39. "Chrysler Group Reports U.S. December Sales". Theautochannel.com. http://www.theautochannel.com/news/2003/01/04/152240.html. Retrieved 2009-05-01. 
  40. "Chrysler Group Reports December 2003 Sales Increase of 2 Percent". Theautochannel.com. 2004-11-17. http://www.theautochannel.com/news/2004/01/05/175827.html. Retrieved 2009-05-01. 
  41. "Chrysler Group 2005 U.S. Sales Rise 5 Percent, Highest Since 2000; December Sales Decline In Line with Overall Industry". Prnewswire.com. http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/01-04-2006/0004242655&EDATE. Retrieved 2009-05-01. 
  42. "Total Chrysler LLC December 2007 Sales Up 1 Percent on the Strength of Retail; Demand...". Reuters. 2008-01-03. http://www.reuters.com/article/pressRelease/idUS217066+03-Jan-2008+PRN20080103. Retrieved 2009-05-01. 
  43. "Chrysler LLC Reports December 2008 U.S. Sales". News.prnewswire.com. http://news.prnewswire.com/DisplayReleaseContent.aspx?ACCT=104&STORY=/www/story/01-05-2009/0004949198&EDATE=. Retrieved 2009-05-01. 
  44. "Award-winning Month Drives Chrysler Group LLC's December U.S. Sales". News.prnewswire.com. 2010-01-05. http://www.prnewswire.com/news-releases/award-winning-month-drives-chrysler-group-llcs-december-us-sales-80711757.html. Retrieved 2010-01-06. 
  45. 45.0 45.1 "canada2010". http://media.chrysler.com. http://media.chrysler.com/newsrelease.do?id=10416. Retrieved 2011-02-05. 
  46. "Chrysler Group LLC Reports December 2009 Sales Outside North America". media.chrysler.com. http://media.chrysler.com/newsrelease.do?id=9336&mid=192. Retrieved 2011-02-05. 
  47. "December 2010 Sales: Chrysler". cheersandgears.com. 2011-01-04. http://www.cheersandgears.com/topic/74955-december-2010-sales-chrysler/. Retrieved 2011-01-04. 
  48. "Chrysler sales shoot up 37% (26% for 2011)". allpar.com. http://www.allpar.com/news/index.php/2012/01/chrysler-sales-shoot-up-37-26-for-2011. Retrieved 2012-01-04. 
General
  • Phil Berg. "Jeep Grand Cherokee Preview". Car and Driver (August 1998): 69–70. 

External links

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