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Gas mileage 2018 Yukon XL Denali
My 2016 Denali routinely gets 25 mpg at 65 mph on regular gas on interstate highways; higher speeds, lower mileage. I also regularly tow a 7500 gvw rv, with that I normally get between 12 and 15 mpg.- tomsos
- Post #13
- Forum: Engine & Drivetrain
