The Mulsanne Speed is a rear wheel drive saloon (sedan) motor car with a front mounted engine, produced by Bentley.
Power is supplied by an overhead valve, 6.8 litre turbocharged 8 cylinder motor, with 2 valves per cylinder that produces power and torque figures of 530 bhp (537 PS/395 kW) at 4200 rpm and 1100 N·m (811 lb·ft/112.2 kgm) at 1750 rpm respectively.
The engine powers the wheels via an 8 speed automatic 'box.
It weighs a claimed 2685 kg at the kerb.
Top claimed speed is 306 km/h or 190 mph, officially stated fuel consumption is 22.8/9.9/14.6 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 342.0 g/km.
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 | 3266 mm | 128.6 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 5575 mm | 219.5 inches | |
| Width | 1926 mm | 75.8 inches | |
| Height | 1521 mm | 59.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 2685 kg | 5919 lb | |
| Weight distribution | |||
| fuel tank capacity | 96 litres | 21.1 [25.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Rolls-Royce | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.8 litre 6750 cc (411.91 cu in) |
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| Bore × Stroke | 104.1 × 99.1 mm
4.1 × 3.9 in |
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| Bore/stroke ratio | 1.05 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output | 537 PS (530 bhp) (395 kW) at 4200 rpm |
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| maximum torque | 1100 Nm (811 ft·lb) (112.2 kgm) at 1750 rpm |
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| Specific output | 58.6 kW/litre 79.6 ps/litre 78.5 bhp/litre 1.29 bhp/cu in |
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| Specific torque |
162.96 Nm/litre
1.97 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | |||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 2047.9 kPa (297 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 843.75 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 4.8 s | ||
| Acceleration 0-100km/h | 4.9 s | ||
| Acceleration 0-160km/h (100mph) | 11.1 s | ||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 306 km/h (190 mph) | ||
| Power-to-weight ratio | Higher is better 200.14 PS/tonne (1000 kg) 0.2 PS/kg 147.2 kW/tonne (1000 kg) 0.15 kW/kg 197.39 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.79 kg/kW 11.35 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 22.8/9.9/14.6 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 22.8/9.9/14.6 l/100km urban/extra-urban/combined | ||
| km/litre | 4.4/10.1/6.8 km/l urban/extra-urban/combined | ||
| UK MPG | 12.4/28.5/19.3 UK MPG urban/extra-urban/combined | ||
| US MPG | 10.3/23.8/16.1 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 342.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 3.300 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 9J x 21 | ||
| Wheel size rear | 9J x 21 | ||
| Tyres front | 265/40 ZR 21 | ||
| Tyres rear | 265/40 ZR 21 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 400 mm | ||
| Rear brake diameter | 370 mm | ||
| Braked area | |||
| Gearbox | 8 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 2.92 | ||
| general | |||
| Carfolio.com ID | 372251 | ||
| Production total | |||
| Model code | |||
| RAC rating | 53.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2014 Bentley Mulsanne Speed added 2014-09-18. Last modified 2020-02-02. |
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