The Imp Sport is an automobile from Sunbeam, with rear wheel drive, a rear positioned engine and a 2 door saloon (sedan) body style.
Its engine is a naturally aspirated petrol, 0.9 litre, single overhead camshaft 4 cylinder with 2 valves per cylinder. This unit produces 49 bhp (49.7 PS/36.5 kW) of power at 5800 rpm, and maximum torque of 67 N·m (49 lb·ft/6.8 kgm) at 4500 rpm.
The engine supplies its power through to the wheels by means of a 4 speed manual transmission.
Quoted weight at the kerb is 747 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2083 mm | 82 inches | |
| Track/tread (front) | 1283 mm | 50.5 inches | |
| Track/tread (rear) | 1219 mm | 48 inches | |
| Length | 3531 mm | 139 inches | |
| Width | 1530 mm | 60.2 inches | |
| Height | 1384 mm | 54.5 inches | |
| Ground clearance | 140 mm | 5.5 inches | |
| length:wheelbase ratio | 1.7 | ||
| Kerb weight | 747 kg | 1647 lb | |
| Weight distribution | |||
| fuel tank capacity | 27.3 litres | 6 [7.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Hillman | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 0.9 litre 875 cc (53.396 cu in) |
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| Bore × Stroke | 68 × 60.4 mm
2.68 × 2.38 in |
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| Bore/stroke ratio | 1.13 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
49.7 PS (49 bhp) (36.5 kW) at 5800 rpm |
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| maximum torque (DIN) |
67 Nm (49 ft·lb) (6.8 kgm) at 4500 rpm |
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| Specific output (DIN) |
41.8 kW/litre 56.8 ps/litre 56 bhp/litre 0.92 bhp/cu in |
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| Specific torque (DIN) |
76.57 Nm/litre
0.93 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 10:1 | ||
| Fuel system | 2 Zenith-Stromberg 125 CD3 carburettors | ||
| bmep (brake mean effective pressure) | 962.2 kPa (139.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 218.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| 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 66.51 PS/tonne (1000 kg) 0.07 PS/kg 48.91 kW/tonne (1000 kg) 0.05 kW/kg 65.6 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 20.44 kg/kW 34.15 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 | rear | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | 2.500 | ||
| Turning circle | 9.30 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | I.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Dr/Dr-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 974 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.85 | ||
| Final drive ratio | 4.86 | ||
| general | |||
| Carfolio.com ID | 19349 | ||
| Production total | |||
| Model code | |||
| RAC rating | 11.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1964 Sunbeam Imp Sport added before December 1995. Last modified 2013-02-28. |
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