2005 GMC Envoy SUV

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Auxiliary oil cooler

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Auxiliary transmission cooler

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4,160 cc 4.2 liters in-line 6 front engine with 93 mm bore, 102 mm stroke, 10.1 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder LL8

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Unleaded fuel 87

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Fuel economy EPA highway (mpg): 21 and EPA city (mpg): 16

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Multi-point injection fuel system

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22 gallon main unleaded fuel tank

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Power: 205 kW , 275 HP SAE @ 6,000 rpm; 275 ft lb , 373 Nm @ 3,600 rpm