The Phantom Extended Wheelbase is a rear wheel drive saloon (sedan) automobile with a front mounted engine, produced by Rolls-Royce.
Power is supplied by a double overhead camshaft, 6.7 litre naturally aspirated 12 cylinder engine, with 4 valves per cylinder that develops power and torque figures of 453.3 bhp (460 PS/338 kW) at 5350 rpm and 720 N·m (531 lb·ft/73.4 kgm) at 3500 rpm respectively.
A 6 speed automatic gearbox transmits the power to the wheels.
Having a claimed weight at the kerb of 2670 kg, the Rolls-Royce Phantom Extended Wheelbase can dispense with the 0-60 mph sprint in 5.8 seconds and the quarter mile from rest in 14.4 seconds.
Its maximum speed claimed is 250 km/h or 155 mph, manufacturer claimed fuel consumption is 23.3/11.4/15.8 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 380.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3820 mm | 150.4 inches | |
| Track/tread (front) | 1687 mm | 66.4 inches | |
| Track/tread (rear) | 1671 mm | 65.8 inches | |
| Length | 6090 mm | 239.8 inches | |
| Width | 1990 mm | 78.3 inches | |
| Height | 1638 mm | 64.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.59 | ||
| Kerb weight | 2670 kg | 5886 lb | |
| Weight distribution | 49.1% front | ||
| fuel tank capacity | 100 litres | 22 [26.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.37 | ||
| Frontal area | 2.81 m² | ||
| CdA | 1.04 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | V 12 in 60° vee | ||
| Capacity | 6.7 litre 6749 cc (411.849 cu in) |
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| Bore × Stroke | 92 × 84.6 mm
3.62 × 3.33 in |
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| Bore/stroke ratio | 1.09 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 48 valves in total |
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| maximum power output | 460 PS (453.3 bhp) (338 kW) at 5350 rpm |
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| maximum torque | 720 Nm (531 ft·lb) (73.4 kgm) at 3500 rpm |
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| Specific output | 50.1 kW/litre 68.1 ps/litre 67.2 bhp/litre 1.1 bhp/cu in |
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| Specific torque |
106.68 Nm/litre
1.29 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 11:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1340.6 kPa (194.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 562.42 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 5.8 s | ||
| Acceleration 0-100km/h | 6.1 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 14.4 s | ||
| Standing kilometre | 25.8 s | ||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 172.14 PS/tonne (1000 kg) 0.17 PS/kg 126.6 kW/tonne (1000 kg) 0.13 kW/kg 169.78 bhp/tonne (1000 kg) 0.17 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.9 kg/kW 13.19 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 23.3/11.4/15.8 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 23.3/11.4/15.8 l/100km urban/extra-urban/combined | ||
| km/litre | 4.3/8.8/6.3 km/l urban/extra-urban/combined | ||
| UK MPG | 12.1/24.8/17.9 UK MPG urban/extra-urban/combined | ||
| US MPG | 10.1/20.6/14.9 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 380.0 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 | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8 x 21 | ||
| Wheel size rear | 9½ x 21 | ||
| Tyres front | Goodyear EMT 255/50 R 21 106W | ||
| Tyres rear | Goodyear EMT 285/45 R 21 109W | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 374 mm | ||
| Rear brake diameter | 370 mm | ||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | 0.69 | ||
| Final drive ratio | 3.46 | ||
| general | |||
| Carfolio.com ID | 240119 | ||
| Production total | |||
| Model code | |||
| RAC rating | 63.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2011 Rolls-Royce Phantom Extended Wheelbase added 2011-04-20. Last modified 2020-02-02. |
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