Dealer Notes
This powerful 2021 GMC Sierra 2500HD AT4 delivers serious capability with its legendary Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission. Built for work and adventure, this 4WD truck combines rugged performance with premium comfort and technology. The white exterior presents a clean, professional appearance ready for any job or weekend getaway.
Key Features:
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic
- 4WD with 2-Speed Active Transfer Case and Hill Descent Control
- Heated & Ventilated Front Bucket Seats with Perforated Leather Trim
- Premium GMC Infotainment System with Apple CarPlay/Android Auto
- Bed View Camera with Trailer Camera Provisions
- Spray-On Pickup Box Bed Liner with AT4 Logo
- Remote Vehicle Starter System and Keyless Open & Start
- Integrated Trailer Brake Controller with In-Vehicle Trailering System App
- SiriusXM with 360L and HD Radio
- 20" Machined Aluminum Wheels
This AT4 is equipped for serious hauling and towing with its integrated trailer brake controller and hitch guidance system featuring hitch view. Inside, you'll find heated and ventilated front seats, a heated steering wheel, and a driver-focused cabin with power adjustable seats offering lumbar support. The advanced infotainment system keeps you connected with wireless phone projection, 4G LTE Wi-Fi capability, and OnStar connectivity.
The off-road suspension and X31 Off-Road Package demonstrate GMC's commitment to capability, while creature comforts like dual-zone automatic climate control, power windows and door locks, and premium audio keep every mile enjoyable. With its truck bed lined and equipped with AT4 branding, recovery hooks, and gooseneck prep capability, this Sierra is ready for whatever you demand.
Come see this hardworking Sierra 2500HD and experience the perfect blend of diesel power and premium truck living.
Tax, title, license and dealer fees (unless itemized above) are extra. Discounts cannot be combined with GM Employee or Supplier Discounts. Website Errors May Occur. All Offers and Pricing Details Should be Confirmed for Accuracy with the Dealership. Not available with special finance or lease offers.
MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPA's website for details, including an MPG recalculation tool).
