2007 Pontiac G6 GTP

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3,564 cc 3.6 liters V 6 front engine with 94.0 mm bore, 85.6 mm stroke, 10.2 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder LY7

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Unleaded fuel 87

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Fuel economy EPA highway (mpg): 28 and EPA city (mpg): 20

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Multi-point injection fuel system

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16.0 gallon main unleaded fuel tank 13.3

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Power: 188 kW , 252 HP SAE @ 6,300 rpm; 251 ft lb , 340 Nm @ 3,200 rpm