Dealer-supplied vehicle comments. Request current pricing and purchase terms in writing from the dealership.
Come see why driving a GMC isn't just transportation—it's an upgrade to everything you expect on the road.
The 2026 GMC Sierra 2500HD AT4 is a commanding crew cab built for serious capability and refinement.
This silver diesel truck combines the proven durability of the Duramax 6.6L V8 Turbodiesel with the smoothness of the 10-speed automatic transmission, all wrapped in premium styling and available with exceptional low mileage.
Whether you're managing worksite demands or commanding the road wi
th confidence, the AT4 package delivers off-road readiness and upscale comfort in every drive.
- 120 Point Safety Inspection
- CLEAN CARFAX - LOCAL TRADE IN
- SUPER LOW MILES - PROFESSIONALLY DETAILED
- 20" High Gloss Black Aluminum Wheels
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic
- 4WD with X31 Off-Road Package & Hill Descent Control
- Bose Premium Sound System with SiriusXM
- Premium GMC Infotainment with Navigation & Apple CarPlay
- Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment
- Wireless Charging, Remote Start & HD Surround Vision Cameras
This vehicle has been certified and thoroughly inspected to meet professional standards.
You're buying with confidence, backed by our comprehensive evaluation and preparation process.
Every feature on this truck works in your favor.
Advanced driver assistance technology like automatic emergency braking, lane departure warning, and surround-view cameras keeps you alert and in control.
The heated and ventilated leather seats mold to your comfort, while the integrated navigation and premium audio system turn every journey into a refined experience.
Stop by today to experience the commanding presence and thoughtful engineering that sets the Sierra 2500HD AT4 apart.
At the end of the day, the right vehicle doesn't just get you where you're going—it changes how you feel getting there.
That's exactly what GMC delivers.
Smooth, stylish, and packed with features you'll appreciate every single drive.
Don't just take our word for it—come experience it for yourself.
Stop by today, take a seat behind the wheel, and see why so many drivers are making the switch to GMC.
Your next upgrade is waiting.