GMC Sierra AT4 2021 Used Automatic Gasoline mileage: 165 KM For sale, GMC Sierra 2021 AT4. Original color is gray, with black PPF applied. The color has been changed on the registration. The car has no issues. It has a dent on the driver's door, shown in the summary. It has 165,000 km. Distinctive license plate. Selling to the highest bidder. Contact via private message. The car has been converted to 25. All original parts are available, complete. The middle seat is installed as a third seat, and the original one is available. The highest bid is 105, and it still needs more.