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GMC Sierra 1500 Fuel Economy Data

2dr Regular Cab 8ft bed 295-hp 4.8L V8 4-sp automatic RWD

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2008 GMC Sierra 1500 Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the GMC Sierra 1500's real-world MPG based on how and where you drive a car.