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2015 Subaru WRX STI Specifications
15 January, 2014
 


Body

4-door wide-body design, 5 seats




Engine

Horizontally opposed (BOXER), turbocharged/intercooled; SI-DRIVE Engine performance management system




Block

Specially reinforced die-cast aluminum with integral cast iron cylinder liners, five main bearings, semi-closed deck cylinder design




Cylinders

4




Displacement

2,457 cc




Bore x Stroke

99.5 x 79 mm




Heads/Valvetrain

Aluminum alloy cylinder heads with double overhead belt-driven camshafts (DOHC), four valves per cylinder, Subaru Dual Active Valve Control System (Dual AVCS) variable valve timing (operates on intake and exhaust valves)




Compression ratio

8.2:1




Fuel/Induction

Aluminum alloy intake manifold, sequential multi-port fuel injection (MFI), electronic throttle control (ETC) system, turbocharger, cross-flow intercooler




Max. boost

14.7 PSI




Horsepower

305 @ 6,000 rpm




Torque

290 lb.-ft. @ 4,000 rpm




Ignition

Direct with iridium-tipped spark plugs





Fuel requirement

91 AKI minimum




All-Wheel Drive

Symmetrical All-Wheel Drive with Driver Control Centre Differential (DCCD) featuring three performance modes and six driver-selectable differential locking settings; mechanical and electronically controlled limited-slip centre differential; helical limited-slip front differential and TORSEN limited-slip rear differential, steering angle input sensor




Stability system

Multi-mode Vehicle Dynamics Control (VDC) stability and traction control system with yaw sensor; Active Torque Vectoring




Transmission

6-speed manual transmission





Final drive

3.90



Chassis

Unitized body construction with ring-shaped reinforcement frame structure; high-tensile steel reinforcements at key structural and suspension-mounting locations




Suspension

4-wheel independent, high-performance STI sport-tuned



Front

Inverted struts with forged aluminum-alloy lower A-arms with pillow ball joint mount coil springs, 24 mm stabilizer bar



Rear

Double-wishbone type with coil springs and damper units, stiffener bar, 20 mm stabilizer bar



Brakes

Brembo performance brake system, power assisted 4-wheel disc with 4-channel, 4-sensor super-sport anti-lock brake system (ABS) with g-sensor; Electronic Brake-force Distribution (EBD), Brake Assist and Brake Override




Front disc

326 mm ventilated with 4-piston fixed position calipers




Rear disc

316 mm ventilated with dual-piston fixed position calipers




Steering

Quick-ratio hydraulic power assisted rack-and-pinion




Ratio

13.0:1



Turns, lock-to-lock

2.5




Turning circle

11 m




Wheels

18 x 8.5-in. cast alloy (BBS forged alloy wheels on WRX STI Sport-tech package)




Tires

245/40R18 97W summer performance




Exterior Dimensions




Wheelbase

2650 mm



Length

4595 mm



Height

1475 mm



Width

1795 mm



Track (front/rear)

1530 mm / 1540 mm



Road clearance

125 mm



Curb weight

1527 kg - 1564 kg







Interior Dimensions



Headroom

Front: 1010 mm  With sunroof: 946 mm Rear: 900 mm



Legroom

Front: 1105 mm   Rear: 900 mm



Hip room

Front: 1326 mm   Rear: 1348 mm



Shoulder room

Front: 1412 mm   Rear: 1377 mm



EPA passenger volume

2144 L   With sunroof: 2644 L 



EPA trunk volume

340 L



Trunk liftover height

685 mm





Fuel Economy




City / highway / combined L / 100 km

Manufacturer estimated: 12.3/8.6/10.6




Fuel tank capacity

60 L





 
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