Gmc 2025 2500hd At4. The 2025 gmc sierra 2500hd denali and at4 trims include 4wd, but it's optional on all other trim levels, which come with rwd as standard. Dive into the exclusive features and capabilities of this exceptional truck.

Dive into the exclusive features and capabilities of this exceptional truck. The first ever sierra hd at4x and at4x aev edition is taking the at4 experience to the next level.