Discover the unparalleled capabilities of the 2026 GMC Sierra 3500HD Denali, a true workhorse built to conquer any challenge. Meticulously engineered to deliver exceptional performance, this heavy-duty pickup is the embodiment of power and refinement.

- 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
- 7 Speakers
- Bose Premium 7-Speaker Sound System
- Premium audio system: Premium GMC Infotainment System
- Pickup Bed
- Air Conditioning
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Power driver seat
- Power Front Windows with Passenger Express Up/Down
- Push Button Start
- Remote Vehicle Starter System
- Electronic Stability Control
- Lane Departure Warning System
- Polished Exhaust Tip
- Off-Road Suspension
- Auto High-beam Headlights
- 2-Speed Active Transfer Case
- Engine Block Heater
- Exhaust Brake
- Spray-on Pickup Bedliner with GMC Logo
- Wireless Charging
- Wireless Phone Projection
- Denali Reserve Package
- Gooseneck/5th Wheel Prep Package
- Preferred Equipment Group 5SA
- Snow Plow Prep/Camper Package
- Technology Package
- X31 Off-Road Package

Uncompromising capability, unparalleled comfort, and unmatched style – the 2026 GMC Sierra 3500HD Denali is the ultimate expression of automotive excellence. Experience the difference for yourself.