Dealer Notes
Discover the unparalleled power and capability of the 2026 GMC Sierra 3500HD AT4. This rugged and versatile heavy-duty pickup is engineered to conquer any terrain, whether you're tackling demanding job sites or embarking on thrilling off-road adventures.
Equipped with a formidable Duramax 6.6L V8 Turbodiesel engine, the Sierra 3500HD AT4 delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, providing the muscle to handle the toughest tasks with ease. The 10-speed automatic transmission and 4WD system ensure seamless power delivery and exceptional control, no matter the conditions.
- UPFITTER SWITCH KIT (5)
- Volcanic Red Tintcoat Exterior
- ENGINE BLOCK HEATER
- LT275/65R20 E BF GOODRICH OFF-ROAD T/A KO3 TIRES
- SPORT STEP, BLACK (dealer-installed)
- SMOKED AMBER ROOF MARKER LAMPS (LED)
The Sierra 3500HD AT4 is engineered to conquer the great outdoors, with features like the Snow Plow Prep/Camper Package, Gooseneck/5th Wheel Prep Package, and the X31 Off-Road Package. These advanced systems and components ensure you have the capability to tackle any job or adventure, from plowing through deep snow to towing heavy trailers with confidence.
Inside, the Sierra 3500HD AT4 offers a premium, well-appointed cabin that combines rugged functionality with exceptional comfort. Enjoy the Bose Premium 7-Speaker Sound System, Heated and Ventilated Front Seats, and the expansive 13.4 Diagonal Premium GMC Infotainment System, which provides seamless connectivity and advanced technology at your fingertips.
Safety is also a top priority, with features like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert, helping to keep you and your passengers protected on the road. The Sierra 3500HD AT4 is built to handle the demands of your toughest jobs and most adventurous expeditions, all while delivering a refined and comfortable driving experience.
Discover the uncompromising power, capability, and premium features of the 2026 GMC Sierra 3500HD AT4. Visit our showroom today to experience this exceptional heavy-duty pickup for yourself and see how it can transform your driving and work life.
Price(s) include(s) all costs to be paid by a consumer, except for licensing costs, registration fees, and taxes. Not available with special finance or lease offers.
MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPAs website for details, including a MPG recalculation tool).
The features and options listed may not apply to this specific vehicle.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
** Doc Fee: $799
Dealer Discount applied to everyone