GMC Yukon XL 2006 Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. I am offering a GMC for sale. 2006 Engine is guaranteed. Gear is guaranteed. Mileage: 400 Body has some scattered paint repairs. Fenders are very clean. Changed all four tires to a new set. Full maintenance done, spark plugs, everything. New front headlights installed. New stereo installed. May God bless the buyer.