2024 Gmc Sierra 2500hd At4x Aev Edition. 2024 gmc sierra hd at4x & at4x aev edition specifications. Without question, this truck’s dimensions are impressive:

That’s $9495 extra on top of the at4x, and it dwarfs the $76,195 needed to lasso a denali or the $72,560 ram. The at4x has trick dampers, key.