Highlights
- Duramax 6.6L V8 Turbo-Diesel Engine: Delivers massive torque and confident heavy-duty performance.
- 10-Speed Automatic Transmission: Smooth power delivery and optimized performance under load.
- Four-Wheel Drive with AutoTrac: Dependable traction across changing terrain.
- Premium Denali Interior: Heated and ventilated front seats, dual-zone automatic climate control, and a 13.4” infotainment system.
Options
- Safety: Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, Front and Rear Park Assist, HD Surround Vision, Safety Alert Seat, Rear Camera Mirror, Teen Driver Mode, Buckle-to-Drive
- Comfort: Heated and ventilated front seats, heated second-row outboard seats, heated steering wheel, power driver and front passenger seats, driver memory settings, power sliding rear window, dual-zone automatic climate control, power sunroof, rear seat storage package
- Technology: 13.4” Premium GMC Infotainment System, 12 reconfigurable digital driver display, head-up display, wireless phone projection, wireless charging, Bose Premium Audio System, USB charging ports, Wi-Fi hotspot capability, universal home remote
Features
- Exterior: Sterling Metallic exterior, 20” machined aluminum wheels, Denali styling, chrome mirror caps and door handles, LED headlamps and fog lamps, LED roof marker lamps, chrome assist steps, rear wheelhouse liners
- Interior: Premium Jet Black interior, power driver and front passenger seats, driver memory settings, power sliding rear window, dual-zone automatic climate control, power sunroof, rear seat storage package
- Performance: Duramax 6.6L V8 Turbo-Diesel engine, 10-speed automatic transmission, four-wheel drive with AutoTrac, heavy-duty cooling, 220-amp alternator
- Towing: Heavy-duty trailering equipment, trailer brake controller, hitch guidance and hitch view, gooseneck/5th-wheel prep, trailer camera provisions and bed view camera, trailer side blind zone alert, trailering app, multi-pro tailgate, power lock and release tailgate, spray-on bedliner, 120V bed-mounted power outlet
Why Choose This Vehicle?
This 2026 GMC Sierra 3500HD Denali combines heavy-duty strength with upscale refinement, delivering serious diesel capability, premium comfort, and advanced towing technology. With its bold Denali presence and thoroughly equipped cabin, this Sierra HD is built to handle demanding work while surrounding passengers in luxury.
