The Ford Sierra Sapphire RS Cosworth is a 4 door saloon (sedan)-bodied road car with a front mounted engine powering the rear wheels.
Its engine is a turbocharged petrol, 2 litre, double overhead camshaft 4 cylinder with 4 valves per cylinder. It produces 204 bhp (207 PS/152 kW) of power at 6000 rpm, and maximum torque of 277 N·m (204 lb·ft/28.2 kgm) at 4500 rpm.
The engine transmits power to the wheels via a 5 speed manual set of gears.
With a stated kerb weight of 1250 kg, the Ford Sierra Sapphire RS Cosworth manages to cover the 0-60 mph benchmark sprint in 5.8 seconds and the standing quarter mile in 14.4 seconds.
Top claimed speed is 240 km/h (149 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2608 mm | 102.7 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 4465 mm | 175.8 inches | |
| Width | 1699 mm | 66.9 inches | |
| Height | 1377 mm | 54.2 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 1250 kg | 2756 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | 0.33 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Ford/Cosworth | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2 litre 1993 cc (121.62 cu in) |
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| Bore × Stroke | 90.8 × 76.95 mm
3.57 × 3.03 in |
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| Bore/stroke ratio | 1.18 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
207 PS (204 bhp) (152 kW) at 6000 rpm |
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| maximum torque (DIN) |
277 Nm (204 ft·lb) (28.2 kgm) at 4500 rpm |
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| Specific output (DIN) |
76.3 kW/litre 103.8 ps/litre 102.4 bhp/litre 1.68 bhp/cu in |
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| Specific torque (DIN) |
138.99 Nm/litre
1.68 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 8:1 | ||
| Fuel system | Bo L-Jet fuel inj. | ||
| bmep (brake mean effective pressure) | 1746.6 kPa (253.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 498.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | 1 Garrett AiResearch T03B turbo | ||
| Intercooler | Y | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 5.8 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 14.4 s | ||
| Standing kilometre | |||
| Maximum speed | 240 km/h (149 mph) | ||
| Power-to-weight ratio | Higher is better 165.47 PS/tonne (1000 kg) 0.17 PS/kg 121.7 kW/tonne (1000 kg) 0.12 kW/kg 163.2 bhp/tonne (1000 kg) 0.16 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.22 kg/kW 13.73 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 | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | 2.500 | ||
| Turning circle | |||
| Front suspension | I.MS.CS.ARB. | ||
| Rear suspension | I.STA.CS.ARB. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.8 | ||
| Final drive ratio | 3.64 | ||
| general | |||
| Carfolio.com ID | 30426 | ||
| Production total | |||
| Model code | |||
| RAC rating | 20.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1987 Ford Sierra Sapphire RS Cosworth added before December 1995. Last modified 2013-02-28. |
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