2024 Denali Duramax Ultimate Review. 2024 gmc sierra 1500 denali ultimate interior review: We settled down on a.
The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more. 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.