2026 GMC Sierra 3500HD Denali Ultimate

The 2026 GMC Sierra 3500HD Denali Ultimate In-Transit delivers the capability and refinement you need for serious work and weekend adventures alike.

- Black Badging Package
- Gooseneck/5th Wheel Prep Package
- Hitch Package
- Technology Package
- Duramax 6.6L V8 Turbodiesel engine with 10-Speed Automatic transmission
- 4WD capability
- Multicolor 15" Diagonal Head-Up Display
- HD Surround Vision with multiple camera provisions
- Bose Premium Series 12-Speaker System with SiriusXM
- Heated and ventilated leather front seats with 16-way power adjustment
- ProGrade Trailering System with integrated technology
- Power moonroof with power sunroof
- 18" Polished Forged Aluminum Wheels
- Full grain leather seat trim throughout

The Denali Ultimate In-Transit trim establishes itself immediately with unmistakable styling, from the Signature Denali Ultimate Grille in Vader Chrome to the black GMC emblems and nameplates that define the exterior. The white finish maintains this sophisticated presence while the spray-on pickup bedliner with GMC logo provides practical protection. Power sliding rear window with defogger and deep-tinted glass complete the commanding appearance.

Inside, this truck surrounds you with premium materials and thoughtful engineering. The 16-way power driver and passenger seats feature both heating and ventilation, while the leather steering wheel and genuine wood dashboard and door panel inserts establish a refined cabin environment. The GMC Premium 13.4" Diagonal Information Display and Multicolor Head-Up Display keep critical information at your fingertips, reducing distractions and enhancing awareness on every drive.

Technology seamlessly integrates into daily operation. The Bose Premium audio system delivers 12 speakers of refined sound, while the in-vehicle trailering app, bed view camera with trailer camera provisions, and hitch guidance with hitch view make challenging situations manageable. Wireless charging, wireless phone projection, and multiple USB ports keep your devices connected and ready. Three years of SiriusXM service provides entertainment wherever the road takes you.

The Gooseneck/5th Wheel Prep Package and Hitch Package position this truck as a capable towing partner. The ProGrade Trailering System, trailer camera provisions, trailer side blind zone alert, and trailer tire pressure monitor sensors provide confidence whether you're managing a light weekend load or serious commercial work. The 2-Speed Active Transfer Case, dual heavy-duty batteries, and block heater ensure reliable performance in demanding conditions.

Safety technology works continuously to protect you and your passengers. Automatic emergency braking, front pedestrian braking, forward collision alert, lane departure warning system, and rear cross traffic alert provide active monitoring. The safety alert seat, dual front impact airbags, dual front side impact airbags, and overhead airbag system offer comprehensive protection. Electronics including electronic stability control, traction control, and brake assist work quietly in the background.

This Sierra 3500HD Denali Ultimate In-Transit represents the full expression of GMC's truck-building expertiseâ€"a vehicle built to command respect on site and deliver genuine comfort on the road. Contact us today to experience the difference this truck makes.