Where does the Denali Ultimate end and the Dave Sinclair Customs build begin? This 2026 GMC Sierra 2500 HD started with a Denali Ultimate and received a complete Customs transformation: Wheels and tires, chrome delete, painted accents and finishing details throughout the truck. See the full truck and details by clicking the LINK: davesinclairbuickgmc.com/new-St+Louis-2026-GMC-Sierra+2500+HD-Denali+Ultimate-1GT4UXEY8TF280152 Availability might change by the time you see this video. To confirm details about this truck, please check out the LINK or call us today at 📲 (314) 842-4200 #customtrucks #gmcsierradenali #trucks #accessories #liftedtrucks #gmcsierra2500hd #hdtrucks #custom