2024 Denali Duramax Ultimate. — purchased a 2024 2500 diesel denali ultimate. — with a sticker price nearing $100k, the 2024 gmc sierra 2500hd denali ultimate is the most extravagant truck we’ve ever driven.
— 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. The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more.