2024 At4 Diesel. 2024 gmc sierra 2500hd at4x aev vehicle type: View detailed specs, features and options for the 2024 gmc sierra 1500 4wd crew cab 147 at4 at u.s.
The 2024 gmc sierra 2500 hd at4x aev edition adds functional style from american expedition vehicles trove of aftermarket accessories in a production package. Had 2023 at4 b/c x didn’t come in diesel.