Gmc Trucks 2024 Hd. 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. View information about specs and features.
We get hands on with gm’s 2024 heavy duty pickups, comparing the gmc sierra 2500 hd denali ultimate and the chevy silverado 2500 hd zr2. 2024 gmc sierra hd toty pros and cons review: