Gmc 2024 Denali Truck Ultimate. 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. Super cruise is offered in the denali and denali ultimate trims and is engineered to still function properly with a trailer attached.

Nicer than it’s ever been, the highly capable new 2024 gmc sierra 2500 denali ultimate brings yet another new top trim to the popular line of trucks. View detailed specs, features and options for the 2024 gmc sierra 1500 4wd crew cab 147 denali ultimate at u.s.