The Subaru Impreza WRX is a turbocharged version of the Subaru Impreza, an all-wheel drive, four-door passenger vehicle. It is available as a sedan or wagon.
Originally introduced in 1992 in Japan, then shortly afterward in New Zealand, Australia and Europe, the WRX features a turbocharged 2.0L (then later a 2.5L) version of Subaru's EJ series flat-4 Boxer engine. Compared to the base Impreza, the WRX also has wider wheels with lower profile tires, larger brakes, and firmer, higher-quality suspension components.
There have been seven noted versions of the WRX. The STI versions were marketed with consecutive numbers. Another way to determine the version of a WRX was to look at the chassis code. All WRX sold between 1992 and 2000 have the beginning chassis code of GC8 sedan or GF8 hatchback; this is followed by a letter from A to G.
The WRX debuted in November 1992 with 240 PS (176.5 kW; 236.7 hp) at 6000 rpm with 31 kg·m (300 N·m; 220 lb·ft) at 5000 rpm. Both front and rear brake rotors were ventilated disks. The vehicle had a curb weight of 1,220 kg (2,690 lb). The center differential was a viscous coupling type. The rear LSD was a viscous type. The WRX Type RA (marketing has made usage of the RA acronym in various ways; Record Attempt is the current usage. "R = Racing, A = Group A, the FIA racing class the WRC Impreza competes in" has also been confirmed by Subaru of Japan; the correspondence can be seen on the discussion board for this article) is a stripped down version of the WRX for people to purchase for motorsports. It does not have many "creature comforts" such as air-conditioning or a radio. The car also lacks anti-lock brakes. The WRX Type RA has had a weight reduction to 1,170 kg (2,579 lb), and uses a closer ratio gearbox. The WRX Type RA steering wheel is a 3 spoke leather-wrapped wheel from Nardi.
In October, 1993, Subaru introduced the 1994MY WRX which produced 240 PS (176.5 kW; 236.7 hp) at 6500 rpm with 28.5 kg·m (279 N·m; 206 lb·ft) at 5000 rpm. The wheels remained the same size. The rear rotors were substituted from ventilated disk to solid disk. The vehicle gained 30 kg (66 lb) to a total curb weight of 1,250 kg (2,756 lb). October 1993 was also the start of production of the hatchback version, with 220 PS (162 kW; 217 hp).
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