SLT 2021 Automatic Gasoline mileage: 85 KM 4WD Used GMC Yukon XL 2021 for sale Automatic transmission Gasoline Mileage: 85,000 4WD Long Yukon 2021, driven 85,000 miles, gold color. No bodywork or paint. Guaranteed from bumper to bumper. Full option, 4WD, new tires, fully tinted, front protection and grille guard. Floor mats are Diamond Kit. The car is sold without the license plate. GMC Yukon SLT 2021 4WD