2024 Gmc At4x 2024. The 2024 gmc sierra 2500 hd at4x aev edition adds functional style from american expedition vehicles trove of aftermarket accessories in a production package. The new gmc canyon has a max towing capacity of 7700 pounds for elevation, at4, and denali trim levels.
Detailed specs and features for the 2024 gmc. Gmc is unveiling the 2024 sierra heavy duty and the first ever 2024 sierra hd denali ultimate, redefining the power and capability of this dominating truck.