2006 Buick Lucerne CXS

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4,565 cc 4.6 liters V 8 front engine with 93 mm bore, 84 mm stroke, 10 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder LD8

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 26 and EPA city (mpg): 17

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Multi-point injection fuel system

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18.5 gallon main premium unleaded fuel tank

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Power: 205 kW , 275 HP SAE @ 6,000 rpm; 295 ft lb , 400 Nm @ 4,400 rpm