2026 GMC Sierra 3500

Meet the 2026 GMC Sierra 3500HD AT4, a heavy-duty truck engineered for those who demand capability, comfort, and refined functionality in a premium work and lifestyle vehicle.- AT4 Preferred Package- AT4 Premium Plus Package- 6.6L V8 Engine with 10-Speed Automatic and 4WD- X31 Off-Road Package with Off-Road Suspension and 2-Speed Active Transfer Case- Snow Plow Prep/Camper Package- Technology Package with Apple CarPlay and Android Auto- Multicolor 15'' Head-Up Display- HD Surround Vision with Bed View Camera- Wireless Charging and Dual USB Charge/Data Ports- Bose Premium 7-Speaker Sound System with SiriusXM 360L- Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment- Power Sunroof with Deep-Tinted Glass- Off-Road High Clearance Step and Spray-on Bedliner with GMC Logo- Ultrasonic Front and Rear Park Assist with Trailer Side Blind Zone Alert- Remote Vehicle Starter with Keyless Open and StartThis Sierra 3500HD arrives finished in striking silver with meticulous attention to the details that define the AT4 experience. The aggressive stance, gloss black header and grille insert bars, black GMC emblems, and 20-inch high-gloss black aluminum wheels project purpose and presence. LED cargo area lighting and smoked amber roof marker lamps enhance both function and aesthetics. The spray-on bedliner bearing the GMC logo protects your investment while reinforcing the truck's work-ready identity.Inside, the cabin reflects a commitment to driver-focused design and technology integration. The premium GMC Infotainment System displays across a 13.4-inch diagonal screen, delivering intuitive access to connectivity features. Apple CarPlay and Android Auto ensure seamless smartphone integration, while the Bose premium sound system with seven speakers transforms your daily commute. The multicolor 15-inch head-up display projects essential information directly into your line of sight, minimizing distraction and keeping you informed.Comfort and convenience define the driving experience here. Heated and ventilated front leather seats with 10-way power adjustment and lumbar support adapt to your preferences throughout the year. The heated steering wheel, automatic temperature control with front dual zone capability, and power sunroof create an environment tailored to your needs. Wireless charging, dual USB charge ports, and strategically placed 120-volt outlets throughout the cabin ensure your devices remain ready when you need them.The X31 Off-Road Package and Snow Plow Prep/Camper Package demonstrate this truck's versatility. The off-road suspension, 2-speed active transfer case, and hill descent control provide genuine capability for challenging terrain. The 3.73 rear axle ratio and 220-amp alternator deliver the mechanical foundation necessary for serious work. Whether you're managing winter operations or venturing beyond paved roads, this Sierra 3500HD is equipped to perform.Safety and situational awareness are woven throughout this package. The HD Surround Vision system with bed view camera and trailer camera provisions grants you complete visibility around the truck. Ultrasonic front and rear park assist, trailer side blind zone alert, and rear cross traffic alert combine with advanced driver assistance features to enhance confidence in every driving situation. The safety alert seat provides tactile feedback when intervention is needed.This 2026 GMC Sierra 3500HD AT4 represents the intersection of capability, technology, and refined comfort. With its comprehensive package selection, premium audio and infotainment systems, advanced safety features, and work-ready configuration, it stands ready to support your most demanding tasks while delivering the refinement you expect in a premium truck. Visit our showroom to experience this exceptional heavy-duty platfo Price does not include Tax, Title, License and Documentary Fee; Price does include: $1000 - Buick & GMC Consumer Cash Program. Exp. 08/31/2026