2009 GMC Sierra Denali CrewCab Truck

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6,162 cc 6.2 liters V 8 front engine with 103.3 mm bore, 92.0 mm stroke, 10.5 compression ratio, overhead valve, variable valve timing/camshaft and two valves per cylinder L9H

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E85 fuel with additional premium unleaded

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Multi-point injection fuel system

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26.0 gallon main E85 fuel tank 21.6

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Power: 301 kW , 403 HP SAE @ 5,700 rpm; 417 ft lb , 565 Nm @ 4,300 rpm

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Secondary fuel economy: US std - highway - mpg 19 and US std - city - mpg 13 ; 15