Meet the 2026 GMC Sierra 2500HD AT4, a premium heavy-duty truck engineered for serious work and refined comfort. Finished in Beige with an impressive 8,408 miles on the odometer, this Duramax 6.6L V8 Turbodiesel-powered beast delivers commanding performance with its 10-speed automatic transmission and capable 4WD system. The AT4 trim brings legendary off-road credibility with purpose-built suspension and exclusive styling that turns heads on any terrain.

Key Features & Equipment:

• Duramax 6.6L V8 Turbodiesel Engine with 2-Speed Active Transfer Case
• AT4 Premium Plus Package with X31 Off-Road Package
• Off-Road Suspension with Hill Descent Control and Exhaust Brake
• Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial
• Apple CarPlay and Android Auto Connectivity
• HD Surround Vision with Bed View Camera and Trailer Cam Provisions
• Heated and Ventilated Leather Front Seats with Power Adjustment
• Multicolor 15 Head-Up Display
• 20 High Gloss Black Aluminum Wheels
• Spray-on Pickup Bedliner with GMC Logo

This truck is equipped with the AT4 Preferred Package, Technology Package, and Preferred Equipment Group 4SB, delivering an elevated ownership experience. Advanced safety technology includes automatic emergency braking, lane departure warning, front pedestrian braking, and rear cross traffic alert. Premium convenience features like wireless charging, keyless open and start, and a power sunroof enhance daily driving. The trailering wiring provisions for fifth wheel and gooseneck trailers, combined with intelligent trailering software, make hauling efficient and precise.

Experience this Sierra 2500HD AT4 firsthand—schedule your visit today to discover the perfect blend of luxury, capability, and modern truck engineering.