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MPG Number of Vehicles
14 miles per gallon 1 vehicles
15 miles per gallon 0 vehicles
16 miles per gallon 4 vehicles
17 miles per gallon 1 vehicles
18 miles per gallon 1 vehicles
19 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2003 2003 4dr SUV, ext. 320-hp 5.3L V8 4-sp automatic 4WD w/low range 16.85
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With the 355-horsepower 5.3L V8 engine, 6-speed shiftable automatic transmission, and four-wheel drive w/low range, the 2003 GMC Yukon has been averaging 16.85 MPG (miles per gallon).

The 2003 GMC Yukons in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 56.3 percent of the miles driven). The rest of the miles were in the city (17.5 percent), in heavy traffic (1.3 percent), and in the suburbs (0 percent).

In addition, the average 2003 GMC Yukon in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
2003 2003 4dr SUV 403-hp 6.2L V8 6-sp shiftable automatic AWD 13.9
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2003 2003 4dr SUV 320-hp 5.3L V8 4-sp automatic 4WD w/low range 16.2
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2003 2003 4dr SUV 320-hp 5.3L V8 6-sp shiftable automatic RWD 16.65
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What Our Members Are Saying about the Real Gas Mileage of the 2003 GMC Yukon

2003 GMC Yukon Real Gas Mileage: Cons
2003 4dr SUV, ext. 285-horsepower 5.3L V8
4-speed automatic 4WD w/low range
It does 13.8 - always has from new. GM lies about 17 - not possible. You can dive this with a lead-foot or as gently as you like. Empty or loaded. Makes no odds - 13.8 mpg !! see full GMC Yukon review

2003 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.