2025 Gmc Hd Trucks

2025 Gmc Hd Trucks. Kicking off the list is the at4 and denali trims will now. Under the hood, the 2025 gmc sierra hd is available with one of two powerplants, including the naturally aspirated 6.6l v8 l8t gasoline engine, rated at 401 horsepower and.

The 2025 sierra hd lineup includes 2500hd and 3500hd models, each in regular cab, double cab, and crew cab configurations. Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck.