The Subaru WRX STI 320R is a hatchback with 5 doors and a front mounted engine which supplies the power to all four wheels.
The power is produced by a turbocharged engine of 2.5 litre capacity. This powerplant features double overhead camshaft valve gear, 4 cylinder layout, and 4 valves per cylinder. It produces 316 bhp (320 PS/236 kW) of power, and maximum torque of 450 N·m (332 lb·ft/45.9 kgm) at 3400 rpm.
A 6 speed manual transmission delivers the power to the driven wheels.
It weighs a claimed 1505 kg at the kerb.
Full specs
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Applicable to the British domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater hatchback | ||
| Number of doors | 5 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2625 mm | 103.3 inches | |
| Track/tread (front) | 1530 mm | 60.2 inches | |
| Track/tread (rear) | 1540 mm | 60.6 inches | |
| Length | 4415 mm | 173.8 inches | |
| Width | 1795 mm | 70.7 inches | |
| Height | 1470 mm | 57.9 inches | |
| Ground clearance | 150 mm | 5.9 inches | |
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1505 kg | 3318 lb | |
| Weight distribution | 58% front | ||
| fuel tank capacity | 60 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.36 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Subaru | ||
| Engine code | |||
| Cylinders | Flat 4 | ||
| Capacity | 2.5 litre 2457 cc (149.935 cu in) |
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| Bore × Stroke | 99.5 × 79 mm
3.92 × 3.11 in |
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| Bore/stroke ratio | 1.26 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output | 320 PS (316 bhp) (236 kW) |
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| maximum torque | 450 Nm (332 ft·lb) (45.9 kgm) at 3400 rpm |
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| Specific output | 95.9 kW/litre 130.4 ps/litre 128.6 bhp/litre 2.11 bhp/cu in |
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| Specific torque |
183.15 Nm/litre
2.21 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.2:1 | ||
| Fuel system | SMPFi | ||
| bmep (brake mean effective pressure) | 2301.5 kPa (333.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 614.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | Y | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 212.89 PS/tonne (1000 kg) 0.21 PS/kg 156.57 kW/tonne (1000 kg) 0.16 kW/kg 209.97 bhp/tonne (1000 kg) 0.21 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.39 kg/kW 10.67 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | |||
| turns lock-to-lock | 2.800 | ||
| Turning circle | |||
| Front suspension | I.MS.CS.ARB. | ||
| Rear suspension | I.MultiLi.DW.CS.ARB. | ||
| Wheel size front | 8½J x 18 | ||
| Wheel size rear | 8½J x 18 | ||
| Tyres front | 245/40 R 18 | ||
| Tyres rear | 245/40 R 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 326 mm | ||
| Rear brake diameter | 316 mm | ||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.71 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 238821 | ||
| Production total | |||
| Model code | |||
| RAC rating | 24.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2011 Subaru WRX STI 320R added 2011-04-06. Last modified 2020-02-02. |
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