- Duramax 6.6L V8 Turbodiesel Engine with 220-Amp Alternator
- AT4 Premium Plus Package with X31 Off-Road Package
- 2-Speed Active Transfer Case with Hill Descent Control
- Power Retractable Black Assist Steps and Spray-On Bedliner with AT4 Logo
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- Multicolor 15 Head-Up Display and HD Surround Vision Camera System
- Heated and Ventilated Leather Front Seats with Wireless Charging Pad
- Power Sunroof and Integrated Trailer Brake Controller
- Adaptive Cruise Control with Trailer Side Blind Zone Alert
- Remote Vehicle Starter and Keyless Open & Start
The AT4 package elevates this Sierra with technology and refinement from the Bose audio system to wireless phone projection and advanced safety features including automatic emergency braking and rear cross traffic alert. The off-road capability is genuine: all-terrain suspension, electronic locking differentials via the transfer case, and integrated recovery hooks make this truck equally at home on the trail or the highway. Contact us today to experience why the Sierra 2500HD AT4 represents the pinnacle of heavy-duty truck engineering.
RECALL NOTICE: Some vehicles offered for sale may be subject to unrepaired manufacturer safety recalls. To determine the recall status of a vehicle, visit https://www.nhtsa.gov/recalls.





