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Engineered to conquer the toughest terrain, the 2026 GMC Sierra 2500HD AT4 is a true off-road powerhouse. Equipped with a robust Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission, this Sierra delivers exceptional capability and performance.
- Power Retractable Assist Steps with LED Lighting
- Engine Block Heater
- 220-Amp Alternator
- AT4 Premium Plus Package
- Gooseneck/5th Wheel Prep Package
- Bose Premium 7-Speaker Sound System
- SiriusXM with 360L Trial Subscription
- Steering Wheel Audio Controls
This Sierra 2500HD AT4 is built to handle any adventure with confidence. Its off-road-tuned suspension, 2-speed active transfer case, and Hill Descent Control provide the control and traction needed to tackle the most challenging conditions. The Spray-on Bedliner, Rear Wheelhouse Liners, and Bed View Camera with Trailer Camera Provisions further enhance its versatility and capability.
Inside, the Sierra 2500HD AT4 pampers you with premium amenities, including Heated and Ventilated Front Seats, Heated Rear Outboard Seats, Wireless Charging, and a Multicolor Head-Up Display. The Trailer Cam Provisions, Trailer Viewing Software, and Trailer Side Blind Zone Alert make towing a breeze.
With its rugged good looks, advanced technology, and uncompromising capability, the 2026 GMC Sierra 2500HD AT4 is the ultimate off-road companion. Experience the power and luxury of this exceptional truck today.
Must have qualifying trade in. This Price may require financing through dealer and is not available with special finance. Price does not include Doc fee of $129.00 or special finance. No out of state liens. *Not all customers will qualify for all discounts*$1000 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026
| Monday | 8:30 am - 7:00 pm |
| Tuesday | 8:30 am - 7:00 pm |
| Wednesday | 8:30 am - 7:00 pm |
| Thursday | 8:00 am - 7:00 pm |
| Friday | 8:30 am - 7:00 pm |
| Saturday | 9:00 am - 6:00 pm |
| Sunday | Closed |
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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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| Monday | 8:30 am - 7:00 pm |
| Tuesday | 8:30 am - 7:00 pm |
| Wednesday | 8:30 am - 7:00 pm |
| Thursday | 8:00 am - 7:00 pm |
| Friday | 8:30 am - 7:00 pm |
| Saturday | 9:00 am - 6:00 pm |
| Sunday | Closed |
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