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Model Year Body/Powertrain MPG  
2009 2009 4dr SUV 403-hp 6.2L V8 6-sp shiftable automatic AWD 11
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With the 420-horsepower 6.2L V8 engine, 6-speed shiftable automatic transmission, and four-wheel drive w/low range, the 2009 GMC Yukon has been averaging 11 MPG (miles per gallon).

The 2009 GMC Yukons in this analysis were driven mostly in the city (about 65 percent of the miles driven). The rest of the miles were on the highway at an average speed of 75 miles per hour (20 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2009 GMC Yukon in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
2009 2009 4dr SUV 320-hp 5.3L V8 6-sp shiftable automatic RWD 17.7
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2009 GMC Yukon 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 Yukon's real-world MPG based on how and where you drive a car.