The Hillman Imp Sport is a 2 door coupé style car with a rear located engine powering the rear wheels.
Its engine is a naturally aspirated petrol, 0.9 litre, overhead valve 4 cylinder with 2 valves per cylinder. This unit develops 50 bhp (51 PS/37 kW) of power at 6100 rpm, and maximum torque of 71 N·m (52 lb·ft/7.2 kgm) at 4300 rpm.
The engine delivers its power through to the wheels via a 4 speed manual 'box.
The quoted weight at the kerb is 724 kg.
Its maximum speed quoted is 145 km/h or 90 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2080 mm | 81.9 inches | |
| Track/tread (front) | 1280 mm | 50.4 inches | |
| Track/tread (rear) | 1220 mm | 48 inches | |
| Length | 3590 mm | 141.3 inches | |
| Width | 1530 mm | 60.2 inches | |
| Height | 1380 mm | 54.3 inches | |
| Ground clearance | 160 mm | 6.3 inches | |
| length:wheelbase ratio | 1.73 | ||
| Kerb weight | 724 kg | 1596 lb | |
| Weight distribution | |||
| fuel tank capacity | 28 litres | 6.2 [7.4] 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 | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
51 PS (50 bhp) (37 kW) at 6100 rpm |
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| maximum torque (DIN) |
71 Nm (52 ft·lb) (7.2 kgm) at 4300 rpm |
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| Specific output (DIN) |
42.6 kW/litre 57.9 ps/litre 57.1 bhp/litre 0.94 bhp/cu in |
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| Specific torque (DIN) |
81.14 Nm/litre
0.98 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | 2 Zenith-Stromberg 125 CDS carburettors | ||
| bmep (brake mean effective pressure) | 1019.7 kPa (147.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 3 | ||
| 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 | 17.9 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 145 km/h (90 mph) | ||
| Power-to-weight ratio | Higher is better 70.02 PS/tonne (1000 kg) 0.07 PS/kg 51.5 kW/tonne (1000 kg) 0.05 kW/kg 69.06 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 19.42 kg/kW 32.44 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 | rear | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 155-12 | ||
| Tyres rear | 155-12 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.85 | ||
| Final drive ratio | 4.86 | ||
| general | |||
| Carfolio.com ID | 592658 | ||
| Production total | |||
| Model code | |||
| RAC rating | 11.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1971 Hillman Imp Sport added 2019-02-23. Last modified 2020-03-16. |
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