XL دينالي 2008 Automatic Gasoline mileage: 300 KM or more 4WD Peace, mercy, and blessings of God be upon you. GMC Denali for sale. Location: Al-Qassim / Buraidah / Al-Mowta neighborhood. Mileage is likely over 400, it's not clear to me. Speed: 200 Reason for selling: I want to buy a smaller car. Urgent sale, based on your offer.