New 2024 Gmc Sierra 2024 Hd Denali Ultimate Package. Say hello to the ultimate in general motors' big, powerful, and luxurious pickups with this new 2024 gmc sierra 2500 hd denali ultimate.for the first time on. Both packages are tagged with rpo code pec, and.
General motors officially unveiled the fully refreshed 2024 gmc sierra hd last october, revealing an updated exterior, an overhauled interior, a new trim level lineup, and. Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck.