*Not actual model
Powertrain: Duramax 6.6L Turbo-Diesel V8 and 10-speed automatic deliver confident torque and smooth shifts under load.
Visibility: Available up to 14 camera views plus HD Surround Vision help reduce blind spots around the truck and trailer.
Cabin: Alpine Umber full-grain leather, Paldao wood, and 16-way seats with massage enhance all-day comfort.
Trailering Tools: ProGrade® Trailering System and In-Vehicle Trailering App streamline profiles, checklists, and maintenance tracking.
Bed Functionality: MultiPro™ Tailgate and KICKER® audio support onsite briefings, work surfaces, and easier access.
Frequently Asked Questions:
Does the Denali Ultimate include the MultiPro Tailgate Audio System by KICKER®?
Yes, Denali Ultimate equips the MultiPro™ Tailgate Audio System by KICKER® so the bed can double as a clear-sounding briefing area or a welcome break between site visits.
How many camera views are available on the 2026 Sierra HD Denali Ultimate?
There are up to 14 available camera views, including HD Surround Vision and Hitch View. You can add an auxiliary trailer camera for even more perspective around long or enclosed trailers.
Is the Duramax diesel standard on Denali Ultimate?
GMC specifies the Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic for Denali Ultimate, aligning the trim’s premium cabin with the torque and control contractors expect in demanding terrain and weather.
If your business is ready for a heavy-duty truck that elevates image and execution, connect with Wilcoxson GMC, serving La Junta, Canon City, and Colorado Springs. Our team will walk through payload and towing scenarios, camera setups, and cabin options, then tailor a test drive around your routes—mountain passes, mixed-surface lots, and tight downtown delivery windows included. With the right configuration and a clear plan, Denali Ultimate becomes a strategic tool your crews will appreciate, and your clients will notice.
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