Gmc 2025 Denali Truck Ultimate. Nicer than it’s ever been, the highly capable new 2025 gmc sierra 2500 denali ultimate brings yet another new top trim to the popular line of trucks. The 2025 gmc sierra hd denali ultimate, refreshed for the 2025 model year, is gmc's most premium, luxurious and technologically advanced truck yet.

Available with a choice of engines, it comes in a singular body style, the crew. 13.4 diagonal center touchscreen and 12.3 diagonal digital driver information center.