2025 Gmc 2500hd Denali Ultimate Interior. Here's our complete guide to the options. Gmc designers differentiated the previous sierra heavy duty model with a distinctive new interior for the sle and slt trims, as well as a signature gmc premium interior.

See this model’s specs for all the details Gmc designers differentiated the previous sierra heavy duty model with a distinctive new interior for the sle and slt trims, as well as a signature gmc premium interior.