2025 Gmc Sierra Hd Release Date. If that is this years timing then 2025 pickups can likely be ordered now. Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck.
The 2025 sierra 1500 is expected to be a carryover. The sierra hd is underpinned by a more capable variant of the gm t1 platform.