The Subaru WRX S4 STI Sport R is a 4 door saloon style road car with a front mounted engine supplying power to all four wheels.
The 4 cylinder, double overhead camshaft turbocharged engine has 4 valves per cylinder and a volume of 2.4 litres. It provides power and torque figures of 271 bhp (275 PS/202 kW) at 5600 rpm and 375 Nm (277 lbft/38.2 kgm) at 2000-4800 rpm respectively.
The engine powers the wheels via a continuously variable set of gears.
Its stated weight at the kerb is 1600 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2675 mm | 105.3 inches | |
| Track/tread (front) | 1560 mm | 61.4 inches | |
| Track/tread (rear) | 1570 mm | 61.8 inches | |
| Length | 4670 mm | 183.9 inches | |
| Width | 1825 mm | 71.9 inches | |
| Height | 1465 mm | 57.7 inches | |
| Ground clearance | 135 mm | 5.3 inches | |
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | 1600 kg | 3527 lb | |
| Weight distribution | |||
| fuel tank capacity | 63 litres | 13.9 [16.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Subaru | ||
| Engine code | FA24 | ||
| Cylinders | Flat 4 | ||
| Capacity | 2.4 litre 2387 cc (145.664 cu in) |
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| Bore × Stroke | 94 × 86 mm
3.7 × 3.39 in |
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| Bore/stroke ratio | 1.09 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (JIS net) |
275 PS (271 bhp) (202 kW) at 5600 rpm |
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| maximum torque (JIS net) |
375 Nm (277 ft·lb) (38.2 kgm) at 2000-4800 rpm |
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| Specific output (JIS net) |
84.7 kW/litre 115.1 ps/litre 113.5 bhp/litre 1.86 bhp/cu in |
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| Specific torque (JIS net) |
157.1 Nm/litre
1.9 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.6:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1974.2 kPa (286.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 596.75 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 171.73 PS/tonne (1000 kg) 0.17 PS/kg 126.3 kW/tonne (1000 kg) 0.13 kW/kg 169.38 bhp/tonne (1000 kg) 0.17 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.92 kg/kW 13.23 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 | |||
| 215.00 g/km WLTP | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| 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 | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | continuously variable transmission | ||
| Top gear ratio | 0.51 | ||
| Final drive ratio | 4.44 | ||
| general | |||
| Carfolio.com ID | 746240 | ||
| Production total | |||
| Model code | |||
| RAC rating | 21.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2021 Subaru WRX S4 STI Sport R added 2022-06-14. Last modified 2022-06-14. |
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