2024 Gmc 2024 Hd Denali Ultimate Review. From its impressive trailering capabilities, interior tech, and powerful performance, the 2500 hd and 3500 hd. 2024 gmc sierra 2500hd denali ultimate:
Adaptive cruise control with trailering assist, previously standard on the 2024 at4x and denali ultimate trim levels, now comes on the at4 and denali trims as well. Denali ultimate, just as it does for sierra 1500, adds.