2004 Gmc yukon denali xl gas mileage Read Also: 2004 Gmc yukon denali gas mileage 2004 Gmc yukon denali mileage 2004 Gmc yukon denali awd gas mileage 2007 Gmc yukon denali gas mileage 2004 Gmc yukon xl denali gas mileage 2007 Gmc yukon denali xl gas mileage