GMC Yukon XL 2007 Automatic Gasoline mileage: 300 KM or more Hello, I am offering for sale a GMC Yukon 2007. It has 300,000 miles. Offers outside the showroom are 16, and the price is negotiable. Transmission, engine, chassis, differential, suspension, and body are in excellent condition. If anything I said is incorrect, I will be responsible.