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Discover the ultimate in power, capability, and refined luxury with the 2026 GMC Sierra 2500HD AT4. This exceptional heavy-duty pickup is engineered to conquer any terrain, while delivering a premium driving experience that will exceed your expectations.
Equipped with a robust Duramax 6.6L V8 Turbodiesel engine, the Sierra 2500HD AT4 delivers an impressive 470 horsepower and 975 lb-ft of torque, providing the muscle to tackle even the most demanding jobs. Paired with a smooth-shifting 10-speed automatic transmission and an advanced 4WD system, this truck is ready to take on any challenge, whether it's hauling heavy loads or conquering off-road adventures.
This Sierra 2500HD AT4 comes equipped with:
• Duramax 6.6L V8 Turbodiesel engine
• AT4 Premium Plus Package, including a power sunroof, Technology Package, and high clearance steps
• Gooseneck/5th Wheel Prep Package for seamless trailer integration
• Snow Plow Prep/Camper Package for enhanced versatility
• Bose Premium 7-Speaker Sound System, SiriusXM with 360L Trial Subscription, and Wireless Charging
Elevate your driving experience with premium features such as a Multicolor 15'' Diagonal Head-Up Display, Rear Cross Traffic Alert, Trailer Cam Provisions, and the advanced Trailer Viewing Software. Enjoy the comfort of heated and ventilated front seats, a heated steering wheel, and a power-sliding rear window.
The Sierra 2500HD AT4 also boasts impressive off-road capabilities, thanks to the X31 Off-Road Package, including an Off-Road Suspension, Hill Descent Control, and Skid Plates. Conquer any terrain with confidence, whether you're tackling the job site or exploring the great outdoors.
Designed with exceptional attention to detail, the Sierra 2500HD AT4 showcases a bold, rugged exterior with a Gloss Black Header Grille, Smoked Amber Roof Marker Lamps, and a Spray-on Pickup Bedliner with the GMC logo. The interior is equally impressive, with premium leather-appointed seating, a premium audio system, and a host of advanced technology features.
Experience the ultimate in power, capability, and refinement with the 2026 GMC Sierra 2500HD AT4. Visit our showroom today and let us demonstrate how this exceptional truck can transform the way you work and play.
This vehicle may have an open safety recall. Head to the National Highway Traffic Safety Administration (NHTSA) website to perform a quick search.
Some vehicles may be subject to manufacturer safety recalls. See if there are any open safety recalls for this vehicle. This does not include non-safety recalls. Recently announced safety recalls may not yet be posted and there may be a delay between the time a repair is made and before it is reported or posted to the website. Before purchasing, be sure to ask the dealer for an up-to-date status on any recalls.
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