2026 GMC Sierra 2500 HD AT4 for Sale #jimcookgmc.com_1GT4UPE70TF308744

Meet the 2026 GMC Sierra 2500HD AT4, a heavy-duty truck engineered for those who demand capability without compromise. This White powerhouse combines rugged construction with premium comfort, making it the ideal choice for work, adventure, or everyday driving that requires genuine towing and hauling power.- AT4 Preferred Package- AT4 Premium Plus Package- 6.6L V8 Engine with 10-Speed Automatic and 4WD- Gooseneck/5th Wheel Prep Package- X31 Off-Road Package with Hill Descent Control- Bose Premium 7-Speaker Sound System with SiriusXM- Off-Road Suspension with 2-Speed Active Transfer Case- Spray-on Pickup Bedliner with GMC Logo- Bed View Camera with Trailer Camera Provisions- HD Surround Vision and Ultrasonic Park Assist- Multicolor 15 Head-Up Display- Power Sunroof- Heated and Ventilated Front Seats with 10-Way Power Adjustment- Wireless Phone Projection and Charging- Advanced Safety Suite with Automatic Emergency Braking and Lane Departure WarningThe Sierra 2500HD AT4 is built for serious work. The Gooseneck/5th Wheel Prep Package gives you the infrastructure to handle demanding towing tasks, while the X31 Off-Road Package with Hill Descent Control ensures you can navigate challenging terrain with confidence. The 2-Speed Active Transfer Case provides the low-range control you need when the going gets tough, and the off-road suspension is engineered to handle uneven ground without sacrificing on-road composure.Inside, you'll find the comfort and technology that make long days behind the wheel more enjoyable. The heated and ventilated front seats adapt to your preferences, while the 10-way power adjustment lets you find your ideal driving position. The Bose premium audio system keeps you entertained, and wireless phone projection means your device integrates seamlessly with the truck's systems.Safety and visibility are paramount in a truck of this caliber. The HD Surround Vision system, Bed View Camera with trailer provisions, and Ultrasonic Park Assist work together to give you complete awareness of your surroundings. The multicolor 15 Head-Up Display projects critical info directly in your line of sight, while the automatic emergency braking and lane departure warning systems provide additional layers of protection.Premium details distinguish this AT4 from standard work trucks. The Spray-on Pickup Bedliner with GMC Logo protects your cargo area, while the gloss black header grille and LED cargo lighting give the truck a purposeful, modern appearance. The LED smoked amber roof marker lamps add a distinctive touch, and the 20 high-gloss black aluminum wheels complete the commanding stance.With the Technology Package and Preferred Equipment Group 4SB, this Sierra 2500HD delivers the connectivity and ease you expect in a modern truck. Wireless charging, multiple USB ports, and the in-ride trailering system app keep you connected and organized. Whether you're managing a job site or preparing for adventure, this truck is ready to deliver.This 2026 GMC Sierra 2500HD AT4 represents the complete package—uncompromising capability, premium comfort, and advanced technology in one impressive ride. Contact us today to schedule your test drive and feel what this truck can do for you.