2007 Audi A8 L

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4,163 cc 4.2 liters V 8 front engine with 84.5 mm bore, 92.8 mm stroke, 12.5 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): 25 and EPA city (mpg): 18

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Gasoline direct injection fuel system

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23.8 gallon main premium unleaded fuel tank

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Power: 261 kW , 350 HP SAE @ 6,800 rpm; 325 ft lb , 441 Nm @ 3,500 rpm