Denali Ultimate Package 2025. Available with a choice of engines, it comes in a singular body style, the. It completes a quarter mile run in 14.9 seconds at 93.2 mph and.
Both packages are tagged with rpo. The 2025 gmc sierra hd denali ultimate, refreshed for the 2025 model year, is gmc’s most premium, luxurious and technologically advanced truck yet.