2024 Gmc Sierra 2500hd At4x. Choose from either a gmc sierra 2500 hd or 3500 hd at4, and learn more about the vehicle specs, trims, and features available. Three suvs and three pickups, including the canyon, sierra 1500, and sierra hd (heavy duty).
Our lifted, diesel powered 2024 gmc sierra 2500hd at4x crew cab 4×4 is a terrific trail machine made for hard work in onyx black with the gooseneck/5th wheel package and. These days, gmc offers six vehicles with the at4 package:
