GMC Sierra AT4 2026 Used Automatic Gasoline mileage: 18 KM 4WD Sierra 2026 - AT4 trim First owner Full option Mileage 18800, can increase Engine and body are guaranteed Heavy duty 4x4 - Light duty 4x4 - Differential lock Front and rear sensors Lane departure warning - Smart entry and smart start and remote start - Projector - Collision warning - and the rest of the known specifications Additions (bed cover - running boards) Original factory bags are still present The vehicle is guaranteed for the buyer, just get in and drive Please do not call, communicate via the app or WhatsApp