2002-2003 Subaru WRX Specifications

Factory specifications for the 2002-2003 Subaru Impreza WRX sedan (GDA) and wagon (GGA), the first WRX officially sold in the U.S. See our chassis code reference for the rest of the family, and the 2004 WRX STI specifications for its big brother.

Engine

Engine Model EJ205
Engine Type Horizontally Opposed, 4 Cylinder, Intercooled Turbo
Engine Layout Longitudinal
Displacement 121.7 Cubic Inches (1,994cc)
Bore x Stroke 3.62" x 2.95" (92.0mm x 75.0mm)
Turbocharger Mitsubishi
Maximum Boost Pressure 13.5 psi
Firing Order 1 - 3 - 2 - 4
Compression Ratio 8.0 : 1
Cylinder Block Material Aluminum
Cylinder Head Material Aluminum
Number of Piston Rings (2) Pressure Rings, (1) Oil Control Ring
Valvetrain DOHC, 4 Valves Per Cylinder
Alternator Mitsubishi, 12V, 75A
Horsepower 227 @ 6000 rpm
Torque (lb. ft.) 217 @ 4000 rpm
Redline 7000 rpm
Piston Speed @ Redline 3441.6 Feet/Minute
Spark Plug NGK PFR6G
Spark Plug Gap 0.028"-0.031" (0.7-0.8mm)
Spark Plug Thread Size 14 x 1.25mm

Drivetrain

Manual Automatic
Gearbox Layout Longitudinal
Forward Gears 5 4
Clutch Dry Single Plate Diaphragm N/A
Clutch Type Pull Type N/A
Diaphragm Set Load 830 Kg (1,830 Lbs) N/A
Clutch Disc O.D. x I.D. x Thickness 230 x 150 x 3.5mm N/A
Clutch Release Lever Ratio 1.7 N/A
Clutch Pedal Full Stroke 130-135mm N/A
1st Gear 3.454 2.785
2nd Gear 1.947 1.545
3rd Gear 1.366 1.000
4th Gear 0.972 0.694
5th Gear 0.738 N/A
Reverse 3.333 2.272
Final Drive 3.900 4.111

Chassis

Sedan Wagon
Overall Length 173.4"
Overall Height 56.7" 57.7"
Overall Width 68.1" 66.7"
Weight, Total (MT) 3,075 lbs. 3,155 lbs.
Weight, Front 1,820 lbs. 1,820 lbs.
Weight, Rear 1,255 lbs. 1,335 lbs.
Wheelbase 99.4"
Tread, Front 58.5" 57.7"
Tread, Rear 58.1" 57.3"
Ground Clearance 6.1"
Wheels 16" x 6.5", Cast Aluminum Alloy
Wheel Offset +55mm
Wheel Bolt Pattern 5 x 100mm
Tires 205/55R16
Tires, Original Equipment Bridgestone RE92

Suspension

Sedan Wagon
Front Independent, MacPherson Strut, Coil Spring
Front Stabilizer Bar Diameter 20mm
Front Camber -0° 25' -0° 20'
Front Caster 3° 35'
Rear Independent, Dual Link, Coil Spring
Rear Stabilizer Bar Diameter 20mm 17mm
Rear Camber -1° 30' -1° 20'

Brakes

Front Rear
Type Ventilated Disc Disc
Disc Diameter 294mm (11.57") 266mm (10.47")
Effective Disc Diameter 247mm (9.72") 230mm (9.06")
Disc Thickness Service Limit 22mm (0.87") 8.5mm (0.335")
Disc Runout Service Limit 0.075mm (0.0030") 0.07mm (0.0028")
Pad Dimensions 112.3mm L x 33.7mm W x 11mm Thick 82.4mm L x 33.7mm W x 9mm Thick
Proportioning Valve Split Point 1,961 kPa (285 psi)
Proportioning Valve Reducing Ratio 0.3

Capacities

Fuel Tank 15.9 US Gallons
Engine Oil 4.8 US Quarts
Transmission Oil 3.7 US Quarts (Auto Trans: 10.0 US Quarts)
Power Steering Fluid 0.7 US Quarts
Engine Coolant 8.1 US Quarts (Auto Trans: 8.0 US Quarts)
Brake Fluid 16.9 US Fluid Ounces
Clutch Fluid 2.4 US Fluid Ounces
Rear Differential 0.8 US Quarts