Denali Ultimate 2025. The 2025 gmc sierra 1500 denali and denali ultimate are the most luxurious pickup trucks in their class, offering another level of innovation and capability. It completes a quarter mile run in 14.9 seconds at 93.2 mph and.

View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 denali ultimate at u.s. See the complete list of 2025 gmc yukon changes, updates, and new features here at gm authority.