Gmc Ultimate Denali 2025. The 2025 gmc sierra hd denali ultimate, refreshed for the 2025 model year, is gmc's most premium, luxurious and technologically advanced truck yet. The 2025 gmc sierra 1500 is available in pro, sle, elevation, slt, at4, at4x, denali, and denali ultimate trims.
Vehicle shopping finance plans & services. View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 denali ultimate at u.s.