2025 Gmc Sierra 2500hd At4x Aev Edition Specs. The 2025 gmc sierra 2500 4wd crew cab at4x brings a delicious combination of comfort, style and brute force to market, for a price. 2025 gmc sierra hd at4x & at4x aev edition specifications.

2025 gmc sierra 2500hd at4x aev vehicle type: Gmc sierra 2500hd at4x aev interior features.