GMC Envoy 2008 Performance Specs

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Auxiliary transmission cooler

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4,157 cc 4.2 liters in-line 6 front engine with 93.0 mm bore, 102.0 mm stroke, 10.3 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 consumption: EPA 08 urban (mpg): 14, country/highway (mpg): 20, combined (mpg): 16, 6.0, 8.5, 6.8, 17, 24 and 19

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Multi-point injection fuel system

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22.0 gallon main unleaded fuel tank 18.3

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Power: 213 kW , 285 HP SAE @ 6,000 rpm; 276 ft lb , 373 Nm @ 4,600 rpm