This 2026 GMC Sierra 3500HD Denali is a premium heavy-duty pickup built to handle the most demanding work and lifestyle needs with confidence and capability.

- 6.6L V8 Turbodiesel Duramax Engine with 470 hp and 975 lb-ft of torque
- 4WD with 2-Speed Active Transfer Case
- Gooseneck/5th Wheel Prep Package for heavy hauling versatility
- Denali Reserve Package with Technology Package and power sunroof
- 15" Diagonal Multicolor Head-Up Display
- Bose Premium 7-Speaker Sound System with SiriusXM and 360L
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Automatic Emergency Braking with Forward Collision Alert and pedestrian protection
- 12-Way Power Driver and Passenger Seat Adjusters with lumbar support and ventilation
- Heated and ventilated leather front seats with heated rear seats
- Wireless Phone Projection and wireless charging
- Dual 220-amp primary and 170-amp auxiliary alternators for auxiliary power demands
- Engine Block Heater for cold-weather reliability
- Ultrasonic Front and Rear Park Assist with Trailer Side Blind Zone Alert
- GMC MultiPro Tailgate Step Lights and spray-on bedliner

The Duramax diesel engine delivers the torque and efficiency demanded by serious truck owners. The gooseneck and fifth-wheel preparation package comes ready for hauling heavy trailers, while the dual alternator system ensures you have plenty of power for work equipment and accessories. This truck arrives with an engine block heater installed, keeping you prepared for harsh weather conditions.

Inside, the Denali Reserve package elevates your daily driving with premium leather seating, a power sunroof, and technology that keeps you connected and informed. The 15-inch head-up display projects essential information directly in your line of sight, while the HD Surround Vision system provides multiple camera angles to help you navigate tight spaces with confidence. Wireless phone projection and charging eliminate the hassle of cable management.

Safety and convenience features are extensive. Forward collision alert, automatic emergency braking, lane departure warning, and trailer side blind zone alert work together to help keep you and your passengers protected. The bed view camera with trailer camera provisions makes hookups and backing straightforward, while ultrasonic park assist provides guidance in tight spots.

This White Sierra 3500HD demonstrates GMC's commitment to capability, comfort, and refinement in a working truck that doesn't compromise on luxury. With only 8,654 miles, it's ready to serve you with years of dependable service ahead. Visit our showroom to experience the power, technology, and craftsmanship this truck delivers.