2024 Gmc 3500hd Duramax Diesel Specs. Explore the differences between the 2024 gmc sierra 2500 hd vs 2024 gmc sierra 3500 hd, and see for yourself. Research the 2024 gmc sierra 3500hd with our expert reviews and ratings.
Denali goes ultimate, at4x joins the ranks. Choose either a gmc sierra 2500 hd or 3500 hd and learn more about the vehicle specs, trims, and features available.