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Sierra 1500
Fuel Economy
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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.
What Our Members Are Saying about the Real Gas Mileage of the 2005 GMC Sierra 1500
4-speed automatic 4WD w/low range
4-speed automatic 4WD w/low range