The Rolls-Royce 20 is a 4 door saloon (sedan) style car with a front positioned engine powering the rear wheels.
It is powered by a naturally aspirated engine of 3.1 litre capacity. This powerplant features side valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 50 bhp (51 PS/37 kW) of power at 3000 rpm.
Power is delivered to the wheels via a 3 speed manual gearbox.
Quoted kerb weight is 1930 kg.
It is said to be able to manage a top speed of 105 km/h (65 mph).
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3277 mm | 129 inches | |
| Track/tread (front) | 1422 mm | 56 inches | |
| Track/tread (rear) | 1422 mm | 56 inches | |
| Length | 4521 mm | 178 inches | |
| Width | |||
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | 1.38 | ||
| Kerb weight | 1930 kg | 4255 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Rolls-Royce | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3.1 litre 3127 cc (190.821 cu in) |
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| Bore × Stroke | 76.2 × 114.3 mm
3 × 4.5 in |
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| Bore/stroke ratio | 0.67 | ||
| Valve gear | side valve (SV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 51 PS (50 bhp) (37 kW) at 3000 rpm |
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| maximum torque | |||
| Specific output | 11.9 kW/litre 16.2 ps/litre 16 bhp/litre 0.26 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 4.8:1 | ||
| Fuel system | 1 Rolls-Royce carb | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 521.17 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 | 105 km/h (65 mph) | ||
| Power-to-weight ratio | Higher is better 26.27 PS/tonne (1000 kg) 0.03 PS/kg 19.32 kW/tonne (1000 kg) 0.02 kW/kg 25.91 bhp/tonne (1000 kg) 0.03 bhp/kg 0.01 bhp/lb |
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| Weight-to-power ratio | Lower is better 51.76 kg/kW 86.46 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 | LA.SE. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 32 x 4.5 | ||
| Tyres rear | 32 x 4.5 | ||
| Brakes F/R | -/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 117634 | ||
| Production total | |||
| Model code | |||
| RAC rating | 21.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1922 Rolls-Royce 20 added 2004-01-09. Last modified 2013-02-28. |
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