2024 Gmc Sierra 3500hd Denali. The denali trim moves to second place in the sierra hd’s hierarchy for the 2024 model year with the introduction of the new denali ultimate trim, available for both the 2500. Customize your gmc sierra 2500hd or 3500hd denali.

Gmc is still using the same battery packs, but has more efficient. Customize your gmc sierra 2500hd or 3500hd denali.