2024 Gmc Yukon Mpg. Fuel economy is 17 mpg overall, not great, but 1 mpg better than the previous generation. Search by make for fuel efficient new and used cars and trucks.

The diesel is passable for a vehicle of this size, returning 23 mpg. The gmc yukon gas mileage is 12.5 to 24 miles per gallon as specified in our data below, organized by trim, option package, and model year.