2024 Denali Duramax 2024 Review. The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more. The fit and finish is outstanding plus the gas mileage and.
More than a pretty face. 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.
