2025 Gmc 3500 Denali Ultimate Package. Base 3500hd prices range from $49,495 to $98,195, while the century mark can. It has been available throughout the gmc sierra hd lineup (pro, sle, slt, at4, at4x, denali and denali ultimate).
Gmc says this change means nearly 70% of the lineup will have adaptive cruise (with trailering as an. Tailgate, gmc multipro tailgate with six functional load/access features.