This 2020 GMC Sierra 2500HD AT4 is ready to take on any challenge. Equipped with the powerful Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission, this truck delivers exceptional performance and capability.
- WELL MAINTAINED
- OIL AND FILTER CHANGED 12/10/25
- TIRES ROTATED 9/02/25
- TECHNOLOGY PACKAGE
- AT4 PREMIUM PACKAGE
- DRIVER ALERT PACKAGE II
This Sierra AT4 is loaded with premium features that will elevate your driving experience. Enjoy the convenience of the Bose Premium 7 Speaker Sound System, the clarity of the Premium GMC Infotainment System with Navigation, and the added safety of Lane Departure Warning and Automatic Emergency Braking.
The AT4 trim level takes this Sierra to new heights with off-road-focused upgrades like the 2-Speed Active Transfer Case, Hill Descent Control, and Spray-On Pickup Box Bed Liner with AT4 Logo. Conquer any terrain with confidence.
This vehicle has been thoroughly inspected and certified to meet the highest standards. You can drive with peace of mind knowing it has passed a rigorous multi-point inspection process. Experience the uncompromising capability and premium features of this 2020 GMC Sierra 2500HD AT4.