Sierra 2500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

Discover the pinnacle of power and capability with the 2026 GMC Sierra 2500HD AT4. This exceptional heavy-duty truck is engineered to conquer any terrain, whether you're tackling rugged off-road adventures or taking on demanding towing and hauling tasks. Equipped with a commanding Duramax 6.6L V8 Turbodiesel engine, the Sierra 2500HD AT4 delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, allowing you to effortlessly conquer any challenge. Paired with a robust 10-speed automatic transmission and a sophisticated 4WD system, this truck is ready to take on the most demanding conditions with ease. GMC Sierra 2500HD For Sale 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) AT4 Preferred Package AT4 Premium Plus Package Gooseneck/5th Wheel Prep Package Preferred Equipment Group 4SB Snow Plow Prep/Camper Package Technology Package X31 Off-Road Package Elevate your driving experience with a host of premium features, including the Bose Premium 7-Speaker Sound System, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, and a Power Sunroof. Stay connected and in control with the Multicolor 15&quot; Diagonal Head-Up Display, Wireless Charging, and Wireless Phone Projection. Conquer the great outdoors with confidence, thanks to the Sierra 2500HD AT4's impressive off-road capabilities. Equipped with Hill Descent Control, an Off-Road High Clearance Step, and a Spray-On Pickup Bedliner, this truck is ready to tackle any adventure. The X31 Off-Road Package further enhances its off-road prowess, ensuring you can explore the most challenging terrains with ease. For added convenience and peace of mind, the Sierra 2500HD AT4 offers a suite of advanced safety and technology features, including Rear Cross Traffic Alert, Trailer Cam Provisions &amp; Trailer Viewing Software, Ultrasonic Front &amp; Rear Park Assist, and the Bed View Camera with 2 Trailer Camera Provisions. Whether you're tackling tough jobs or seeking the ultimate off-road experience, the 2026 GMC Sierra 2500HD AT4 is the perfect companion. Discover the power and capability that will elevate your driving experience. Visit Castle Buick GMC today and let our expert sales team help you find the perfect Sierra 2500HD AT4 for your needs. Welcome to Castle Buick GMC, your trusted Buick and GMC dealership in North Riverside, IL, proudly serving North Riverside, Cicero, Chicago, and surrounding suburbs. Explore our full lineup of new Buick vehicles, including the Buick Envista, Encore GX, Envision, and the three-row Enclave. On the GMC side, we offer a wide selection of new SUVs and trucks, including the GMC Terrain, Acadia, Yukon, Sierra 1500, and heavy-duty Sierra HD. Each model is available in a variety of trims to match your style and performance needs. At Castle Buick GMC, we provide competitive pricing, flexible financing options, and a friendly, expert sales team ready to help you find the perfect new Buick or GMC vehicle. Browse our new Buick and GMC inventory online or visit our North Riverside showroom today. Contact our sales team at 708-526-8906 . Price does not include tax, title, and a doc fee of $367.70.

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package North Riverside IL 60546

AT4 Premium Plus Package

Gooseneck/5th Wheel Prep Package

Snow Plow Prep/Camper Package

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Castle Buick GMC

 for sale near you in North Riverside, IL. Get more information and car pricing for this vehicle on Autotrader.

New 2026 GMC Sierra 2500 AT4 w/ AT4 Premium Plus Package for sale in North Riverside, IL 60546: Truck Details - 760552591 - Autotrader

MSRP	$89,484
Listing Price	$80,451

New 2026 GMC Sierra 2500

w/ AT4 Premium Plus Package AT4