The Sierra Sapphire RS Cosworth 4X4 is an all wheel drive saloon passenger car with a front positioned engine, manufactured by Ford.
Power is supplied by a double overhead camshaft, 2 litre turbocharged 4 cylinder motor, with 4 valves per cylinder that provides power and torque figures of 217 bhp (220 PS/162 kW) at 6250 rpm and 290 N·m (214 lb·ft/29.6 kgm) at 3500 rpm respectively.
The engine drives the wheels through a 5 speed manual gearbox.
Quoted weight at the kerb is 1302 kg.
Its maximum speed quoted is 230 km/h or 143 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) | 1468 mm | 57.8 inches | |
| Track/tread (rear) | 1468 mm | 57.8 inches | |
| Length | 4468 mm | 175.9 inches | |
| Width | 1697 mm | 66.8 inches | |
| Height | 1359 mm | 53.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 1302 kg | 2870 lb | |
| Weight distribution | |||
| fuel tank capacity | 60 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| 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) |
220 PS (217 bhp) (162 kW) at 6250 rpm |
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| maximum torque (DIN) |
290 Nm (214 ft·lb) (29.6 kgm) at 3500 rpm |
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| Specific output (DIN) |
81.2 kW/litre 110.4 ps/litre 108.9 bhp/litre 1.78 bhp/cu in |
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| Specific torque (DIN) |
145.51 Nm/litre
1.76 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8:1 | ||
| Fuel system | Marelli-Weber fuel injection | ||
| bmep (brake mean effective pressure) | 1828.5 kPa (265.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 498.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | 1 Garrett T3 turbocharger | ||
| Intercooler | |||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 4.3 s | ||
| Acceleration 0-60mph | 5.6 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | 14.9 s | ||
| Standing quarter-mile | 14.3 s | ||
| Standing kilometre | |||
| Maximum speed | 230 km/h (143 mph) | ||
| Power-to-weight ratio | Higher is better 168.98 PS/tonne (1000 kg) 0.17 PS/kg 124.28 kW/tonne (1000 kg) 0.12 kW/kg 166.67 bhp/tonne (1000 kg) 0.17 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 8.05 kg/kW 13.44 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 | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.MS.CS.ARB. | ||
| Rear suspension | I.STA.CS.ARB. | ||
| Wheel size front | 7J x 15 | ||
| Wheel size rear | 7J x 15 | ||
| Tyres front | 205/50 VR 15 | ||
| Tyres rear | 205/50 VR 15 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 283 mm | ||
| Rear brake diameter | 272 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.83 | ||
| Final drive ratio | 3.62 | ||
| general | |||
| Carfolio.com ID | 33473 | ||
| Production total | |||
| Model code | |||
| RAC rating | 20.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1990 Ford Sierra Sapphire RS Cosworth 4X4 added before December 1995. Last modified 2013-02-28. |
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