2024 Gmc At4x Aev Review. 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 2024 model year changed the gmc’s front bumper to the aev by default with the at4x package, eliminating another big difference between earlier renditions of these trucks.

The 2024 model year changed the gmc’s front bumper to the aev by default with the at4x package, eliminating another big difference between earlier renditions of these trucks. 2024 gmc sierra 2500hd at4x aev vehicle type: