GMC Sierra SLE 2026 Automatic Gasoline mileage: 14 KM 4WD For sale: GMC Sierra 2026 Double SLE. First owner from the agency, guaranteed. Mileage: 14,000 km, subject to increase. Body and engine guaranteed from the agency. The vehicle is in agency condition, Mashallah. All agency accessories are included. Ready for the user, Mashallah. Contact via WhatsApp only.