2007 Gmc yukon denali xl gas mileage Read Also: 2007 Gmc yukon denali gas mileage Gmc yukon denali 2007 gas mileage 2007 Gmc yukon xl denali gas mileage 2007 Gmc yukon awd denali gas mileage 2007 Gmc yukon denali mileage 2007 Gmc yukon 2wd gas mileage