Gmc 2025 Denali Ultimate 2025. 2025 gmc sierra 1500 adds torquey duramax diesel; 2025 gmc sierra 2500hd denali ultimate, alpine umber full grain leather seat trim,gvwr 11 350 lbs.

2025 gmc sierra 2500 and 3500 hd first look: Denali goes ultimate, at4x joins the ranks.