Subaru Impreza WRX & STi JDM - Timeline and Specifications -

Subaru Impreza WRX & STi JDM - Timeline and Specifications

We're posting this due to the rampant misinformation and misrepresentation of the different models, eg. companies and people are passing off their cars as an STi when it is WRX.  This is a big deal because the performance, features and many other things changed considerably each year between WRX and STi, and even Type RA.

This will not be enough information to absolutely distinguish which model is which, but it will serve as a guideline.  For more details and questions please ask questions in our Forums.


Year Model Performance Manufacture  
Jan/94’ WRX STi Version1 250ps/6500rpm Order-received production  
    31.5kg-m/3500rpm 100 Units/Month only-LTD Model  
Nov/94’ WRX-RA STi 275ps/6500rpm Order-received production  
    32.5kg-m/4000rpm 50 Units/Month only-LTD Model  
Aug/95’ WRX STi Version 2 275ps/6500rpm   Red Maniford
  WRX STi Version2 555 32.5kg-m/4000rpm 500 units-LTD.replica model  
  WRX type RA STi Version 2   Order-received production  
Jan/96’ WRX STi Version 2 V-Limited   1,000 units/LTD.model  
  WRX-RA STi Version 2 V-Limited   555 units/LTD.model  
Sep/96’ WRX STi Version 3 280ps/6500rpm Ver3 -Catalog model BOXER MASTER-4 engine
    35.0kg-m/4000rpm   Red Maniford
Jan/97’ WRX STi Version 3 V-Limited   500 units-LTD.replica model  
  WRX Type R STi Version   2door/ Order-made production  
Sep/97’ WRX STi Version 4 280ps/6500rpm    
    36.0kg-m/4000rpm    
Jan/98’ WRX Type R V-Limited   1,000 units/2door LTD.model only Coupe which is not STi
  WRX Type RA STi Version 4 V-Limited   555 units/2door LTD.model  
  WRX Type R STi Version 4 V-Limited   Three-month period
limited order vehicle
 
Sep/98’ WRX STi Version 5 280ps/6500rpm   BOXER PHASE2 Engine
    36.0kg-m/4000rpm    
Nov/98’ WRX Type RA Limited   1,000 units/LTD.model  
  WRX Type RA STi Version 5 Limited   1,000 units/LTD.model  
  WRX Type R STi Version 5 Limited   Four-month period
limited order vehicle
 
Sep/99’ WRX STi Version 6 280ps/6500rpm    
    36.0kg-m/4000rpm    
Nov/99’ WRX STi Version 6 Limited   2,000 units/LTD.model  
  WRX Type RA Limited   1,000 units/LTD.model  
  WRX Type R STi Version 6 Limited   1,000 units/LTD.model  



 
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.
1992.10 : The first Impreza WRX was introduced. [ Type A ]
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.

 
More Information
Specification
Impreza WRX 1992~1996 Impreza WRX 1997~1999
Impreza WRX 22B STi  
   

1992 Impreza WRX STi SPECIFICATIONS
Model WRX STi
Vehicles Form E-GC8
Body Size Length/Width/Height (mm) 4340/1690/1405
Indoorsize Length/Width/Height (mm) 1820/1385/1170
Wheel Base (mm) 2520
Track (FR/RR) 1465/1455
Minimum Ground Clearance (mm) 155
Weight (kg) 1200
Engine Form EJ20
Engine Type Turbocharged horizontally opposed
4-cylinder DOHC
Displacement (cc) 1994
Horsepower (ps/rpm) 240/6000
Torque (kgm/rpm) 31.0/5000
Fuel capacity (liter) 60
Transmission 5MT
Brakes (Fr / Rr) V-Discs / V-Discs
Tires (Fr / Rr) 205/55R15

 
Main features of the WRX STI
The limited model of handmade production, STi engine & intercooler, Closed deck engine block, Forged pistons, Lightweight HLA, Exclusive setting ECU, Water spray, Center differential with viscous LSD & rear viscous LSD, FUJITSUBO exhaust silencer, Carbon fibre strut tower bar, High rear spoiler, Five spoke alloy wheels, 4-sensor 4-channel ABS.
 
1994 Impreza WRX STi 2 SPECIFICATIONS
Model WRX STi
Vehicles Form E-GC8
Body Size Length/Width/Height (mm) 4340/1690/1405
Indoorsize Length/Width/Height (mm) 1820/1385/1170
Wheel Base (mm) 2520
Track (FR/RR) 1465/1455
Minimum Ground Clearance (mm) 155
Weight (kg) -
Engine Form EJ20
Engine Type Turbocharged horizontally opposed
4-cylinder DOHC
Displacement (cc) 1994
Horsepower (PS/rpm) 260/6500
Torque (kgm/rpm) 31.5/5000
Fuel capacity (liter) 60
Transmission 5MT
Brakes (Fr / Rr) V-Discs/V-Discs
Tires (Fr / Rr) 205/50R16

 
Main features of the WRX STI 2
The limited model of handmade production, STi engine & inter cooler, Forged pistons, Exclusive setting ECU, High rear spoiler, Carbon fibre strut tower bar, 4-sensor 4-channel ABS, Center differential with viscous LSD & rear viscous LSD (WRX), Closed deck engine block (RA), Intercooler water spray(RA), DCCD (Electro-magnetic center differential) & rear mechanical LSD(RA), Roof ventilator (RA).
 
1996 Impreza WRX STI 3 SPECIFICATIONS
Model WRX STi
Vehicles Form E-GC8
Body Size Length/Width/Height (mm) 4340/1690/1405
Indoorsize Length/Width/Height (mm) 1820/1385/1170
Wheel Base (mm) 2520
Track (FR/RR) 1470/1460
Minimum Ground Clearance (mm) 155
Weight (kg) 1250
Engine Form EJ20
Engine Type Turbocharged horizontally opposed
4-cylinder DOHC
Displacement (cc) 1994
Horsepower (PS/rpm) 280/6500
Torque (kgm/rpm) 33.5/4000
Fuel capacity (liter) 60
Transmission 5MT
Brakes (Fr / Rr) V-Discs / V-Discs
Tires (Fr / Rr) 205/50R16

 
Main features of the WRX STI 3
STi engine & inter cooler, Forged pistons, STi ECU, Carbon fibre strut tower bar, Competition clutch, High rear spoiler, 4-sensor 4-channel ABS, Center differential with viscous LSD & rear viscous LSD (WRX), Inter cooler water spray(RA), DCCD (Electro-magnetic center differential) & rear mechanical LSD(RA), Roof ventilator (RA), 4-pod front brake callipers (RA).

1997 Impreza WRX SPECIFICATIONS
Model Impreza WRX
Vehicles Form GF-GC8
Body Size Length/Width/Height (mm) 4340/1690/1405
Indoorsize Length/Width/Height (mm) 1800/1385/1170
Wheel Base (mm) 2520
Track (FR/RR) 1470/1460
Minimum Ground Clearance (mm) 155
Weight (kg) 1250
Engine Form EJ20
Engine Type Turbocharged horizontally opposed
4-cylinder DOHC
Displacement (cc) 1994
Horsepower (ps/rpm) 280/6500
Torque (kgm/rpm) 33.5/4000
Fuel capacity (liter) 60
Transmission 5MT
Brakes (Fr / Rr) V-Discs / V-Discs
Tires (Fr / Rr) 205/50R16

 
Main features of the WRX STI
STi engine & inter cooler, Forged pistons, STi ECU, Carbon fibre strut tower bar, Competition clutch, High rear spoiler, 4-sensor 4-channel ABS, 4-pod front brake callipers, 2-pod rear brake callipers (RA), Inter cooler water spray(RA&R), Center differential with viscous LSD & rear Suretrac LSD (WRX), DCCD (Electro-magnetic center differential) & rear mechanicaldifferential(RA&R), Gold alloy wheels, White meter, Roof ventilator (RA).
 
1998 Impreza WRX SPECIFICATIONS
Model Impreza WRX
Vehicles Form GF-GC8
Body Size Length/Width/Height (mm) 4350/1690/1405
Indoorsize Length/Width/Height (mm) 1800/1385/1170
Wheel Base (mm) 2520
Track (FR/RR) 1470/1460
Minimum Ground Clearance (mm) 155
Weight (kg) 1270
Engine Form EJ20
Engine Type Turbocharged horizontally opposed
4-cylinder DOHC
Displacement (cc) 1994
Horsepower (PS/rpm) 260/6500
Torque (kgm/rpm) 34.5/4000
Fuel capacity (liter) 60
Transmission 5MT
Brakes (Fr / Rr) V-Discs/V-Discs
Tires (Fr / Rr) 205/50R16

 
Main features of the WRX STI 5
STi engine & inter cooler, Forged pistons, STi ECU, Forged pistons, Carbon fibre strut tower bar, Inverted mono-tube strut suspension, Quick shift linkage, Inter cooler water spray (RA&R), DCCD (Electro-magnetic center differential) & rear mechanical LSD(RA&R), Center differential with viscous LSD & rear Suretrac LSD (WRX), Competition clutch (RA&R), Sports ABS (WRX), 4-pod front brake callipers, 2-pod rear brake callipers (RA), Driver SRS airbag.
 
1999 Impreza WRX SPECIFICATIONS
Model WRX
Vehicles Form GF-GC8
Body Size Length/Width/Height (mm) 4350/1690/1405
Indoorsize Length/Width/Height (mm) 1800/1385/1170
Wheel Base (mm) 2520
Track (FR/RR) 1470/1460
Minimum Ground Clearance (mm) 155
Weight (kg) 1545
Engine Form EJ20
Engine Type Turbocharged horizontally opposed
4-cylinder DOHC
Displacement (cc) 1994
Horsepower (PS/rpm) 280/6500
Torque (kgm/rpm) 34.5/4000
Fuel capacity (liter) 60
Transmission 5MT
Brakes (Fr / Rr) V-Discs / V-Discs
Tires (Fr / Rr) 205/50R16

 
Main features of the WRX STI 6
WRC replica rear spoiler, 4-Sensor 4-Channel ABS, Stainless steel exhaust, Front strut brace, STi Engine & Inter cooler, Torque 36.0kgm / 4000rpm, Forged pistons, STi ECU, Positive gear shift, Inverted mono-tube strut suspension, SURETRAC LSD (WRX), Mechanical rear LSD (RA & R), 4-Pod front brake callipers, Carbon fibre strut tower bar, Inter cooler water spray (RA&R), DCCD (Electro-magnetic center differential) & rear mechanical LSD(RA&R), Competition clutch (RA&R), Driver SRS airbag.

 

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1998 Subaru Impreza 22B STi
SPECIFICATIONS Model Grade
Impreza 22B STi
Model Type E-GC8 Kai