2024 Gmc At4 2024 Diesel Engine. The last gmc sierra hd we tested was 2500hd with the diesel engine. With the big gas v8, the at4x starts at $83,090.

The 2024 gmc sierra ev denali edition 1 is the brand’s second entry into the electric pickup space. 2024 sierra at4, at4x, and denali ultimate.