Take a first look at this custom 2026 GMC Sierra 2500HD Denali Ultimate from Dave Sinclair Customs. Finished in Downpour Metallic and powered by the 6.6L Duramax Turbo-Diesel V8, this Sierra HD has been customized with a long list of upgrades, including: ReadyLIFT Kit NITTO Trail Grappler tires 22-inch black OEM GMC wheels Full Chrome Delete Painted exterior accents Two-tone emblems and black model logos Full vehicle tinting Power retractable bed cover In-channel window deflectors This build keeps the luxury and capability of the Sierra 2500HD Denali Ultimate while giving it a completely different look from a factory truck. See current pricing, availability, photos and full vehicle details here: ➡️ davesinclairbuickgmc.com/new-St+Louis-2026-GMC-Sierra+2500+HD-Denali+Ultimate-1GT4UXEY8TF280152?utm_source=youtube&utm_medium=video&utm_campaign=social_youtube_firstlook_lt261340 Want to see more custom GMC trucks available from Dave Sinclair Customs? Browse our custom ...