2024 Gmc At4x Aev. 2024 gmc sierra hd at4x & at4x aev edition specifications. The aev is a $10,100 equipment package that effectively gives the already formidable canyon at4x a triple plate of body armor.
The 2024 gmc sierra hd at4x and sierra hd at4x aev extreme edition bring all the bells and whistles to the next overlanding adventure, starting with a 12. Tracking through the muddy footsteps of the sierra 1500 and canyon at4x.