How many miles can I get out of a Yukon on a full tank?

The range you can get out of a GMC Yukon on a full tank depends on the model year and engine type, but on average, it usually has a fuel tank capacity of around 31 gallons. With an estimated fuel economy of about 15-20 miles per gallon, you can expect a range of approximately 465 to 620 miles on a full tank. Driving conditions and habits can significantly affect this range.