2005 Infiniti Q45 Sedan

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4,494 cc 4.5 liters V 8 front engine with 93 mm bore, 82.7 mm stroke, 10.5 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder VK45

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 23 and EPA city (mpg): 17

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Multi-point injection fuel system

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21.4 gallon main premium unleaded fuel tank

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Power: 254 kW , 340 HP SAE @ 6,400 rpm; 333 ft lb , 451 Nm @ 4,000 rpm