2025 Gmc 2500hd Denali Ultimate Features. The gmc sierra 2500hd is available in seven trims: Review release dates, prices, the exciting at4x + denali ultimate, interior features, towing & more here.

Pro, sle, slt, at4, at4x, denali, and denali ultimate. View detailed specs, features and options for the 2025 gmc sierra 2500hd 4wd crew cab 159 denali ultimate at u.s.