Denali Ultimate 2024 2024au. The 2024 gmc sierra 1500 denali ultimate is the absolute top rung in the brand’s luxury truck hierarchy. Top features of the sierra 2500 denali ultimate.
Previously, the ultimate was a package you could add on at your gmc dealership when buying the truck, but. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc’s most premium, luxurious and technologically advanced truck yet.