Subaru BRZ

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Subaru BRZ (1st Generation)
Subaru BRZ
Manufacturer Subaru
Also called Toyota FT-86
Assembly Japan
Body style 2-door coupe
Layout FMR layout
Engine 2.0L flat-four
Curb weight 1210-1250kg
Related Toyota GT-86, Scion FR-S

Contents

Introduction

Subaru describes the upcoming BRZ as a “pure handling delight”, highlighting the car’s low engine/low centre of gravity, short front and rear overhangs, and front strut/double wishbone rear suspension setup. The car has been built in cooperation with Toyota who have produced the "sister car" Toyota GT-86 (also known in the American market as the Scion FR-S).

The Toyota 86 is a sport compact car developed jointly by Japanese manufacturers Toyota and Subaru that will be released in 2012. It has 2+2 seats, a 2-door coupé body style and a front-engine, rear-wheel drive layout.

The model will be sold under three different brands: Toyota (Toyota 86 in Japan and Australia[1] and Toyota GT-86 in Europe), Subaru (Subaru BRZ) and Scion (Scion FR-S). "86" (pronounced "eight-six" or Hachi-Roku (ハチロク)) refers to the Toyota AE86, a car sold in the 1980s. As such, the Toyota 86 has been named as the spiritual successor of the original AE86 during the press release of the 86. The Toyota and Scion have little distinguishing elements - the latter has cheaper pieces to reduce base price in the United States. The Subaru differs mainly in its front end, where the grille has an hexagonal shape versus an inverted trapezoid in the Toyota and Scion.

It was first presented as a concept car at the October 2009 Tokyo Motor Show under the name Toyota FT-86, FT being shorthand for "Future Toyota". Later, a high-performance version was launched at the January 2010 Tokyo Auto Salon as the Toyota FT-86 G Sports. At the 2011 Geneva Motor Show, a third concept car was shown, the Toyota FT-86 II. The BRZ and FR-S also had their concept cars, the Subaru BRZ Concept STI and the Scion FR-S Concept. The production version of the 86, BRZ and FR-S were unveiled at the 2011 Tokyo Motor Show,

Initially, the 86 and sister models will feature a Subaru-sourced naturally aspirated 2.0 L flat-4 boxer gasoline engine (Toyota engine code 4U-GSE, Subaru engine code FA20) that will deliver 197 hp (147 kW; 200 PS) that includes a direct injection system from Toyota. The model will be offered with two six-speed transmissions: a manual and an automatic with paddle shifters. The weight of the 86 is 1,180 kilograms (2,601 lb). [2]


Source(s): Subaru BRZ

Chassis Generations

First generation (ZN6; 2012-Current)

Toyota 86 (ZN6)
2013 MY Scion FR-S (US)
Model years 2012-Current
Body style 2 door Coupe
Layout FR layout
Wheelbase 2570 mm
Length 4240 mm
Width 1775 mm
Height 1285 - 1300 mm

Design

Subaru BRZ

The FR-S was designed around a front-mounted boxer engine rear-wheel drive configuration. "The flat architecture of the boxer engine, allows it to be mounted low, dropping the center of gravity down, resulting in sporty handling characteristics."[3] The exterior design of the FR-S was inspired by the Toyota 2000GT's extremely low to the ground profile and long, sleek hood. The total concept of the car was most inspired by the Toyota AE86 which originally utilized lightweight design combined with modest engine power along with the front engine rear-wheel drive design that the FR-S will have. According to the FR-S's designers, "The goal was to create an authentic rear-wheel drive sports car with compelling style, exceptionally balanced performance and handling, flexible utility and surprising MPG."[3] The car's design was inspired by previous Toyota sports cars including the Toyota Sports 800, Toyota 2000GT, and Toyota AE86.[3]

Engineering

The Toyota designated 4U-GSE engine is a naturally aspirated four-cylinder engine that uses Subaru's horizontally opposed boxer engine as well as Toyota's D-4S injection system which uses both direct and port injection. The engine has a 12.5:1 compression ratio and a bore and stroke of 86 mm that results in 200 horse power @ 7000 RPM, for the FR-S and BRZ, and 197 horse power for the Toyota variant, and 151 pound-feet of torque @ 6000 RPM for all three vehicles. As part of FR-S's low weight design, the car utilizes an aluminum hood, a solid roof, and a trunk design as opposed to a hatchback.[4][5]

The FR-S, 86 and BRZ will offer two 6 speed transmission built by Aisin, a manual gearbox and modified automatic transmission from the Lexus IS-F, minus two gears. The automatic uses a traditional wet torque converter design, but its software has been engineered to mimic the response of a dual-clutch gearbox. The automatic transmission uses three different modes, Sport, Snow, and Normal.

When questioned about differences between the Subaru BRZ and the Scion FR-S, Scion hinted at the FR-S being tuned more for sport, while the Subaru was tuned more for ride compliance. Meaning the Subaru could have a softer ride than its Scion counterpart. [6]

The boxer engine sits as far back and as low as possible in the engine bay for an optimum weight distribution of 53% of the weight up front and 47% of the weight in the rear. The low sitting engine provides excellent low center of gravity, which allows the engine to sit lower than the Nissan GTR and just 0.6 inches higher than the Lexus LFA.[4]

The three vehicles use 17 inch diameter wheels 7 inches wide. The wheels are lightweight and wrapped in Michelin tires, similar to those that are found on an upgraded Toyota Prius, but different diameter and width of 215/45. The wheels feature ventilated disc brakes at all four corners with two piston-opposed calipers in the front and single caliper design in the rear. Suspension is MacPherson suspension in the front and double wishbone in the rear.

Interior

The Interior Features a 2+2 seating configuration which utilizes low mounted front seats. The rear seats fold down enabling increased storage space for larger items.[4]

Japanese version

For the Japanese market, the Toyota 86 is offered in RC, G, GT, and GT Limited trim levels. Targeted for customers who want to modify their cars, or compete in motorsports, the strippo model RC came with black bumpers, steel wheels, and no air conditioning. Transmission for the base model is 6 speed manual only, while all the higher grades are available with either manual or 6 speed automatic. The 86 G adds color-keyed bumpers, 16 inch alloy wheels, manual AC, and halogen headlights as standard equipment. The GT has 17 inch alloy wheels, automatic climate control AC, smart key, HID headlights and fog lamps. The top of the line GT Limited has all the GT's features plus Alcantara seats, 18 inch alloys, and rear spoiler. This model will be on sale in Japan this April 6, 2012, and afterwards, Toyota will open "Area 86" specialty shops, where car enthusiasts can get together to talk about automobiles and where shop specialists can support car-owner activities aimed at helping give sports-car culture local roots.[7]


Specifications

The Subaru BRZ Concept STI is the second FR car from Subaru - the first being Subaru's first car ever, the Subaru 1500. BRZ stands for Boxer, Rear-wheel drive, Zenith.

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