The 4-40 Roadster is a rear wheel drive roadster motor vehicle with a front mounted engine, sold by Premier.
The Premier 4-40 Roadster's engine is a naturally aspirated petrol, 5.5 litre, side valve 4 cylinder with 2 valves per cylinder. In this application it develops 40 bhp (40.6 PS/29.8 kW) of power.
This power is supplied to the wheels through a 3 speed manual gearbox.
It weighs a stated 1179 kg at the kerb.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | 0 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3048 mm | 120 inches | |
| Track/tread (front) | 1435 mm | 56.5 inches | |
| Track/tread (rear) | 1435 mm | 56.5 inches | |
| Length | |||
| Width | |||
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | |||
| Kerb weight | 1179 kg | 2599 lb | |
| Weight distribution | |||
| fuel tank capacity | 132.6 litres | 29.2 [35] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | |||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 5.5 litre 5473 cc (333.983 cu in) |
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| Bore × Stroke | 114.3 × 133.35 mm
4.5 × 5.25 in |
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| Bore/stroke ratio | 0.86 | ||
| Valve gear | side valve (SV)
2 valves per cylinder 8 valves in total |
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| maximum power output | 40.6 PS (40 bhp) (29.8 kW) |
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| maximum torque | |||
| Specific output | 5.5 kW/litre 7.4 ps/litre 7.3 bhp/litre 0.12 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | |||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 1368.25 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 34.4 PS/tonne (1000 kg) 0.03 PS/kg 25.3 kW/tonne (1000 kg) 0.03 kW/kg 33.93 bhp/tonne (1000 kg) 0.03 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 39.53 kg/kW 66.02 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 | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 34 x 4 | ||
| Tyres rear | 34 x 4 | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 261239 | ||
| Production total | |||
| Model code | |||
| RAC rating | 32.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1910 Premier 4-40 Roadster added 2012-01-24. Last modified 2020-02-02. |
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