2024 Gmc Sierra 2500hd At4x Review. Research the 2024 gmc sierra 2500hd diesel with our expert reviews and ratings. Regular cab, double cab and crew cab.

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 gmc sierra 2500 hd comes in seven trims — pro, sle, slt, at4, denali, at4x and denali ultimate.