Home » Car specs » Subaru » 2006 Subaru Impreza WRX STi RB320 Specs

Engine Specifications

Engine Specifications: Boxer-4
Aspiration: High-Boost, IHI Turbochargers
Valvetrain: DOHC, 4 Valves per Cyl w/AVCS VVT
Fuel feed: Multipoint Fuel Injection
Displacement: 2457 cc / 149.9 cu in
Bore: 99.5 mm / 3.92 in
Stroke: 79 mm / 3.11 in
Compression: 8.2:1
Power: 235.6 kw / 316 bhp @ 6000 rpm
Specific output: 128.61 bhp per litre
Bhp/Weight: 207.89 bhp per tonne
Torque: 450.13 nm / 332 ft lbs @ 3700 rpm
Redline: 7000

Chassis & body

Body/Frame: Unit Steel
Driven wheels: AWD w/Driver Control Center Diff (DCCD), Front and Rear LSD
Front brakes: Discs w/ABS, EBD
Front brake size: 323 mm / 12.7 in
Rear brakes: Discs w/ABS, EBD
Rear brake size: 312 mm / 12.3 in
Steering: Quick Ratio Rack & Pinion
Front suspension: MacPherson Struts w/Lower L Arms
Rear suspension: MacPherson Struts w/Trailing Arms

Drivetrain

Transmission: 6-Speed Manual
Gear ratios: 3.636:1, 2.375:1, 1.761:1, 1.346:1, 0.971:1, 0.756:1
Final drive: 155:1

Car dimensions

Weight: 1520 kg / 3351 lbs
Wheelbase: 2540 mm / 100 in
Front track: 1491 mm / 58.7 in
Rear track: 1496 mm / 58.9 in
Length: 4465 mm / 175.8 in
Width: 1740 mm / 68.5 in
Height: 56.3 mm / Not Available in

Speed performance

0 - 60 mph: 4.8 seconds
0 - 100 mph: 12.2 seconds

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