2024 Gmc At4x Hd Denali. 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 first ever sierra hd at4x and at4x aev edition is taking the at4 experience to the next level.
Gmc says it expects 40 percent of at4x trucks to get the aev treatment. The denali trim moves to second place in the sierra hdโs hierarchy for the 2024 model year with the introduction of the new denali ultimate trim, available for both the 2500 and 3500.
