2001 Gmc yukon xl 2500 mpg Read Also: 2001 Gmc yukon xl 2500 8.1 mpg 2001 Gmc yukon 2500 mpg 2001 Gmc yukon xl 2500 tire size 2001 Gmc yukon xl 2500 recalls 2001 2500 Gmc xl yukon 2001 Gmc yukon xl 2500 transmission