2024 Gmc Sierra 2024 Denali Ultimate 4×4. Explore the latest lineup and offerings. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc's most premium, luxurious and technologically advanced truck yet.

Available with a choice of engines, it comes in a singular body style, the. 2024 gmc sierra 2500hd and 3500hd pickup trucks equipped with the denali ultimate trim are the only truck in gmc’s lineup that come standard with the 6.6l l5p.