2024 Gmc At4x Diesel. The 2024 gmc sierra 2500 4wd crew cab at4x brings a delicious combination of comfort, style and brute force to market, for a price. The 2024 gmc sierra 2500 hd at4x aev edition adds functional style from american expedition vehicles trove of aftermarket accessories in a production package.

Edmunds also has gmc sierra 1500 diesel pricing, mpg, specs, pictures, safety features,. Gmc is unveiling the 2024 sierra heavy duty and the first ever 2024 sierra hd denali ultimate, redefining the power and capability of this dominating truck.