2025 Gmc At4x Aev Hd. Meanwhile, the lowest payload capacity is 2,701 pounds for the 2025 gmc sierra 2500 hd in its at4x aev edition variant, with the crew cab standard bed setup, a 4wd. 2025 gmc sierra hd at4x aev;

The sierra hd at4x will also have a diesel. (photo/gmc) and for those wishing to take it further, gmc once again teamed up with american expedition vehicles (aev) to offer an.