GMC Yukon XL 2009 Used Automatic Gasoline mileage: 300 KM or more GMC Yukon 2009 XL, original body, clean engine. Engine: Replaced at 300 mileage with a new engine, and it has run 100 miles. It's better than the first one and even better. Gearbox: Original. Other matters are known to be original and under warranty. The car has a new set of tires, ready to drive. No objection to a clean trade-in.