Clean CARFAX. Quicksilver Metallic 2017 GMC Yukon XL Denali 4WD 8-Speed Automatic with Overdrive EcoTec3 6.2L V8 4WD. Recent Arrival! Odometer is 21156 miles below market average! Awards: * 2017 KBB.com Brand Image Awards Reviews: * Seating for up to nine passengers; nicer interior than other truck-based, full-size SUVs; all-terrain mobility with four-wheel drive; tow rating is higher than average for the class. Source: Edmunds