Gmc Trucks 2024 At4. 2024 gmc sierra 1500 at4. 1.5 on sierra 2500 at4x, 2 on sierra 1500 at4 and at4x;
Both pickup trucks offer a max towing capacity of. The new gmc canyon has a max towing capacity of 7700 pounds for elevation, at4, and denali trim levels.