2024 Gmc At4x 2024 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. This stout v8 helps the sierra tow 8,700 lbs and carry a payload of.

For more information and to see our sierra inventory, click here: The 2024 gmc sierra at4x is a more refined, stately vehicle by comparison.