2026 GMC Sierra 3500

*Please inquire for a personalized Video Walk-Around of this vehicle! Nationwide shipping available!* The 2026 GMC Sierra 3500HD Denali Ultimate represents serious capability paired with refined comfort. This black heavy-duty truck arrives with just 6 miles and is equipped with a Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4-wheel drive, delivering the power and control you need for demanding work or towing applications. - Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD - Gooseneck/5th Wheel Prep Package for versatile towing configurations - Snow Plow Prep/Camper Package with 220-amp alternator and skid plates - ProGrade Trailering System with in-vehicle trailering app and hitch guidance - Multicolor 15 Diagonal Head-Up Display - HD Surround Vision with Bed View Camera and trailer camera provisions - Bose Premium Series 12-Speaker System with SiriusXM 360L - 16-way power driver and passenger seats with lumbar support - Full grain leather seat trim with heated and ventilated seating - Wireless charging and wireless phone projection - Heated steering wheel and power moonroof - Ultrasonic front and rear park assist - Upfitter Switch Kit (5) for custom electrical accessories - X31 Off-Road Package with 2-speed active transfer case and hill descent control The Denali Ultimate trim elevates the ownership experience with premium materials and genuine wood dashboard and door panel inserts. The interior features a 13.4-inch GMC Premium information display, leather steering wheel, and comprehensive climate control with automatic temperature settings. Your comfort is prioritized with heated rear seats, a heated steering wheel, and memory settings for the driver's seat and door mirrors. Safety technology integrates seamlessly throughout the truck. Automatic emergency braking, forward collision alert, and front pedestrian braking work together with lane departure warning and rear cross traffic alert. The safety alert seat provides haptic feedback, while the system includes dual front and side airbags, 4-wheel disc brakes with ABS, and electronic stability control. OnStar services are capable, adding another layer of security and connectivity. This truck is built for serious work. The spray-on pickup bedliner protects your cargo area, while the signature Denali Ultimate grille finished in Vader Chrome makes an authoritative statement. The LED cargo area lighting and LED smoked amber roof marker lamps ensure visibility in any condition. With 220 watts of power through dual 70 amp-hour batteries and a 220-amp alternator, the truck handles demanding accessory loads. The technology package and off-road suspension prepare this Sierra for any terrain or task. The 2-speed active transfer case, block heater, and rear window defroster round out a comprehensive list of features designed for year-round capability. This truck comes ready to work and ready to impress. Chevrolet GMC of Mount Vernon provides peace o