GMC Sierra 2015 Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. I am offering my GMC Sierra, fully loaded. Mileage: 325,000 km, well-maintained. Body: Guaranteed complete, except for the area of the front fenders as I removed them. Engine: Guaranteed, only the lifters were changed, and it's 100% good. Additions: Transmission and engine coolers, electronic cat-back exhaust. (( To maintain the car )) The vehicle is very clean and suitable for a buyer. Selling to the highest bidder.