2010 Subaru Impreza STI Spec C Specifications

The Subaru Impreza WRX STI spec C is based on the Impreza WRX STI, the iconic sport model of Subaru. The Spec C model features enhanced engine and chassis performance as well as a lighter body and is powered by the same a 2.0-liter Horizontally-Opposed 4-cylinder DOHC 16-valve turbocharged engine that develops 227kW (308 PS) at 6,400 rpm and 422 Nm (43.0 kgf·m) of torque at 4,400 rpm.

The Subaru Impreza WRX STI spec C comes with an aluminum engine hood, lighter front and side windows, new 18-inch alloy wheels and a flat tire repair kit, reinforced front suspension, modified damping force, coil spring rate, rear stabilizer and rear sub-frame bushes, a mechanical Rear LSD (Limited Slip Differential) and new tires.

The WRX STI spec C turbocharger has newly adopted ball bearings for the turbine axle bearing, plus the ECU (Engine Control Unit) program has been exclusively tuned. All this combined gives the engine of the spec C model quicker response and improved accelerating performance.

Technical Specifications

engine Boxer-4 EJ207HG2LJ
position
aspiration VF58 IHI Twin Scroll Supercharger
valvetrain
displacement 1994 cc / 121.68 in³
bore 92 mm / 3.6 in
stroke 75 mm / 3 in
compression 8.2:1
power 235 kw / 320 bhp @ 6400 rpm
specific output 152.66 bhp per litre
bhp/weight 214.02 bhp per tonne
torque 431 nm / 321.3 ft lbs @ 4400 rpm
redline 8000
driven wheels AWD w/Center Electromechanical DCCD, w/Rear Torsen Type Diff
front tires 245/40R18 Bridgestone Potenza RE070
rear tires 245/40R18 Bridgestone Potenza RE070
front brakes Gold STI 4-Piston Calipers
rear brakes Gold STI 2-Piston Calipers
f brake size 330mm x 30mm
r brake size 320mm x 20mm
steering Rack & Pinion w/Variable Power Assist
f suspension MacPherson Struts w/Lower L-Arm
r suspension Double Wishbones
weight 1355 kg / 2987.78 lbs
wheelbase 2625 mm / 103.3 in
front track 1530 mm / 60.2 in
rear track 1540 mm / 60.6 in
length 4415 mm / 173.8 in
width 1795 mm / 70.7 in
height 1475 mm / 58.1 in
transmission 6-Speed Manual