2024 Gmc Sierra 3500hd Denali Ultimate. Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck. 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.
Build & price your 2024 gmc sierra 3500 hd by selecting from available trims and features. The sierra hds get a revised front fascia with newly available led headlights and taillights with sequential turn signals.