GMC Sierra 2020 Used Automatic Gasoline mileage: 300 KM or more 4WD GMC Sierra 2020 SLE for sale. The highest offer is 70,000 and the selling price is 85,000 and above. Engine is guaranteed. Airbags are guaranteed. Chassis is guaranteed. Engine is guaranteed. I am the 6th owner of the vehicle. Mileage: 300,000 km. The vehicle has been maintained with oil changes according to the catalog, including the transmission fluid. The vehicle has been fully repainted in an oven for paint renewal. There is a Najiz report from 5 months ago for verification, and you can search on Najiz. There are two dents on the car, a picture is attached, they are not clear, but I have clarified them for honesty. The front windshield has a scratch (crack) on the passenger side towards the middle.