2025 Gmc Sierra At4x Hd. With the sierra hd, it adds to the at4x model by swapping on stamped steel bumpers with integrated recovery hooks and a place for a front winch. Here's a list of official specs for the 2025 gmc sierra hd at4x & at4x aev edition.
($4,150) that includes the items of the sleโs preferred package plus leather seating, a bose premium stereo, and an hd surround camera system. Vehicle details stay in the know.