1992.10 : The first Impreza WRX was introduced. [ Type A ]
||SUBARU IMPREZA WRX & STi Features
Subaru's Horizontally-opposed engine gives the Impreza WRX a low center of gravity and good front-rear and lateral weight distribution.
The Impreza WRX's 4WD system consists of a perfect linear alignment for its light weight and compact BOXER engine, transmission, propeller shafts and rear differential. This ideal layout creates outstanding left-right and front-rear weight balance so it is the perfect 4WD system.
So as a result, the performance has improved every year.
The Impreza WRX is powered by a FJ20 horizontally opposed 2.0-litre DOHC intercooler-turbocharged 'BOXER' engine. The full-time 4WD system has a center and rear viscous-type LSD. The WRX Type-RA competition base model is designed for entry in motor sport. With an intercooler water splay and close ratio transmission gearbox, horsepower is at 240PS/6000rpm and torque at 31.0Kg-m/5000rpm (WRX & WRX Type-RA).
1993. 9 :The Impreza WRX wagon is added to the Impreza line-up. [ Type B ]
There are some minor changes, with Type-SA added to the wagon series. Automatic and 5-speed Manual transmission models are also available.
Engine power is 220PS/6000rpm and torque is 28.5Kg-m/3500rpm (wagon)
1994.01 : Impreza WRX STi series was introduced.
STi (Subaru Tecnica International) hand-tunes the WRX for sale by order only. Available in manual transmission only, the STi features high-strength forged pistons, light weight HLA, improved intercooler efficiency, intercooler water spray, a FUJITSUBO exhaust muffler, re-mapped ECU tune, carbon-fibre strut tower bar, Cherry Red trimmed exclusive bucket seats and large size rear spoiler.
Horsepower and torque is increased to 250PS/6500rpm and 31.5Kg-m/3500rpm respectively (WRX STi & WRX STi-wagon)
1994.10 : Impreza WRX [ Type C ]
There is some minor changes.
Horsepower 260PS/6500rpm torque 31.5Kg-m/5000rpm( WRX & WRX Type-RA)
1994.11 : Impreza WRX Type-RA STi.
Impreza WRX Type-RA STi is introduced. A drivers control center differential (DCCD) is employed to control the torque split between the front and rear wheels. Standard equipment include the handmade engine produced by STi, exclusive ECU, quick-shift, power steering oil cooler, rear 2-way mechanical LSD, carbon strut tower bar, large size rear spoiler and roof ventilator.
Horsepower is increased to 275PS/6500rpm and torque to 32.5Kg-m/4000rpm (WRX STi Type-RA)
||1995.08 : Impreza WRX STi 2
Impreza WRX STi 2 was introduced with limited edition "555" blue colours.
WRX STI 2 : 275PS/6500rpm, torque : 32.5kg-m/4000rpm
WRX STi2 Wagon: 260PS/6500rpm, torque : 31.5kg-m/5000rpm
1996.02 : Limited Edition "V-limited" was introduced.
The Impreza WRX Type-RA STi 2 V-limited package includes Sports-blue body color, original bucket seats, a WRC championship emblem, manual air-conditioning and a limited edition number-build plate, sitting on gold STi alloy wheels.
The WRX V-limited package includes ABS, green glass, original bucket seats, a WRC championship emblem, gold alloy wheels the same as the STi, and limited edition number-build plate.
1996. 08 : Impreza WRX & Impreza WRX STi 3 [ Type D ]
The BOXER-MASTER4 FJ20 engine is further improved. The engine uses molybdenum coated low-friction pistons, multi-point injection system, IHI RHF5HB turbine and a large size intercooler. In the asethetics department, a mild facelift for the WRX includes new front and rear bumpers, new headlight and taillight design and a new grille. An SRS airbag adds to passenger safety. As for the WRX STi type-RA, braking performance is improved by using 16 inch, 4-pot callipers at the front and 15 inch, 2-pot callipers at the rear.
Horsepower 280PS/6500rpm torque 33.5kg-m/4000rpm (WRX, WRX Type-RA)
Horsepower 280PS/6500rpm torque 35.0kg-m/4000rpm(WRX STi version)
Horsepower 240PS/6000rpm torque 31.0kg-m/3000rpm (wagon)
1997.01 : Impreza WRX STi 3 V-limited.
The WRX WRX STi 3 V-limited package includes original bucket seats, a WRC championship emblem, carbon-fibre instrument panel and a limited edition number-build plate.
The WRX 2-door type-R STi is also introduced. The 2-door Type-R has STi tuned engine, DCCD, automatic climate control, power windows and electric door mirrors.
1997.08 : Impreza WRX & Impreza WRX STi 4 [ Type E ]
The latest Impreza WRX update has only minor changes. The Impreza WRX series features Subaru's SURETRAC rear LSD. (except Type-RA STi and Type-R STi).
Horsepower 250PS/6000rpm torque 31.2kg-m/4000rpm (wagon)
Horsepower 280PS/6500rpm torque 36.0kg-m/4000rpm (WRX STi version).
1998.01 : The Impreza WRX STi 4 V-limited & type R V-limited .
The Impreza WRX Type-RA STi 4 V-limited package includes auto air conditioning, power window, powered door locks, electric door mirrors, a faster steering rack and front helical LSD. The Impreza WRX Type-R V-limited package includes STi engine that is the same as the Type-R STi, ABS, fog lamps, auto air conditioning, power windows, central locking, electric door mirrors, but no intercooler water splay.
The Impreza WRX Type-R STi V-limited package is the same as standard type-R STi except for the emblems and body colour.
1998.03 : The Subaru Impreza WRX 22B STi version is a handmade 2 door coupe based on the Subaru Impreza contested the World Rally Championship. Four hundred of these were built for the Japanese domestic market and were sold out within 48 hours. The Impreza WRX 22B STi Version features EJ22 2.2litre turbocharged engine, 4WD system, intercooler water splay, ventilated disc brakes, Bilstein inverted suspension, 17 x 8.5 inch BBS wheels fitted with Pirelli 235/40 P-Zero tyres and a twin plate ceramic/metal clutch. With a widened body, it is 80mm wider than an Impreza WRX at both the front and rear.
1998.0 9 : Impreza WRX & Impreza WRX STi 5 [Type-F]
The Impreza WRX gets an improved PHASE-2 engine with brand new intake manifold and camshafts to realize improved low-end and mid-range response. It also adopts inverted strut suspension, Sports ABS(STi), and WRC car type rear spoiler(STi sedan). Horsepower 280PS/6500rpm torque 34.5Kg-m/4000rpm (WRX, WRX Type-RA)
Horsepower 240PS/6000rpm torque 31.5Kg-m/4000rpm (wagon)
1998.11 : The limited edition version was introduced.
1999.09 : Impreza WRX & Impreza WRX STi-6 [ Type G ]
There were some minor changes only. It is equipped with a clutch start system.
Horsepower 280PS/6500rpm torque 34.5Kg-m/4000rpm (WRX & WRX Type-RA)
Horsepower 240PS/6000rpm torque 31.5Kg-m/4000rpm (wagon)
1999.11 : The limited edition version was introduced.
2000.04 : The Impreza S201 STi version was released. The S201 STi features an exclusive ECU tune, large size intake duct, exclusive exhaust muffler, exclusive aero parts, RAYS alloy wheels, front helical LSD, and an adjustable suspension.