2007 Rolls Royce Phantom EWB

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6,749 cc 6.7 liters V 12 front engine with 91.9 mm bore, 84.6 mm stroke, 11.0 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 19 and EPA city (mpg): 13

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Gasoline direct injection fuel system

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26.4 gallon main premium unleaded fuel tank 22.0

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Power: 338 kW , 453 HP SAE @ 5,350 rpm; 531 ft lb , 720 Nm @ 3,500 rpm