Full specs1970 Citroën SM specifications
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | Robert Opron | ||
| dimensions & weights | |||
| Wheelbase | 2950 mm | 116.1 inches | |
| Track/tread (front) | 1526 mm | 60.1 inches | |
| Track/tread (rear) | 1326 mm | 52.2 inches | |
| Length | 4893 mm | 192.6 inches | |
| Width | 1836 mm | 72.3 inches | |
| Height | 1324 mm | 52.1 inches | |
| Ground clearance | 155 mm | 6.1 inches | |
| length:wheelbase ratio | 1.66 | ||
| Kerb weight | 1450 kg | 3197 lb | |
| Weight distribution | 62% front | ||
| fuel tank capacity | 90 litres | 19.8 [23.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Maserati | ||
| Engine code | C114/1 | ||
| Cylinders | V 6 in 90° vee | ||
| Capacity | 2.7 litre 2670 cc (162.933 cu in) |
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| Bore × Stroke | 87 × 75 mm
3.43 × 2.95 in |
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| Bore/stroke ratio | 1.16 | ||
| Valve gear | double overhead camshaft (DOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
170 PS (168 bhp) (125 kW) at 5500 rpm |
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| maximum torque (DIN) |
230 Nm (170 ft·lb) (23.5 kgm) at 4000 rpm |
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| Specific output (DIN) |
46.9 kW/litre 63.8 ps/litre 62.9 bhp/litre 1.03 bhp/cu in |
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| Specific torque (DIN) |
86.14 Nm/litre
1.04 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 3 Weber 42 DC NF carburettors | ||
| bmep (brake mean effective pressure) | 1082.5 kPa (157 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 445 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 7.1 s | ||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 8.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 16.2 s | ||
| Standing kilometre | 29.9 s | ||
| Maximum speed | 217 km/h (135 mph) | ||
| Power-to-weight ratio | Higher is better 117.47 PS/tonne (1000 kg) 0.12 PS/kg 86.4 kW/tonne (1000 kg) 0.09 kW/kg 115.86 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 11.57 kg/kW 19.33 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 | front wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | 2.000 | ||
| Turning circle | 10.50 m | ||
| Front suspension | I.HPS.W. | ||
| Rear suspension | I.HPS.TA. | ||
| Wheel size front | 6 x 15 | ||
| Wheel size rear | 6 x 15 | ||
| Tyres front | 195/70 VR 15 X | ||
| Tyres rear | 195/70 VR 15 X | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | 300 mm | ||
| Rear brake diameter | 256 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.81 | ||
| Final drive ratio | 4.38 | ||
| general | |||
| Carfolio.com ID | 30899 | ||
| Production total | |||
| Model code | |||
| RAC rating | 28.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1970 Citroën SM added before December 1995. Last modified 2013-06-19. |
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