2024 Gmc At4x Hd Aev. 2024 gmc sierra hd at4x & at4x aev edition specifications. I have a 2024 2500 diesel at4x aev edition and a week into ownership the tailgate started to open while parked.

Adding the at4x package to the 2025 gmc canyon at4 requires adding the at4 premium package (rpo pcu) and technology package (pdg). Canyon pricing starts at $37,895, stepping up the ladder to.