2025 Gmc Sierra Hd Features. The 2024 sierra 2500 hd is an impressive performer, and the 2025 model promises to raise the bar even higher for drivers. Gmc's heavy hauler, the sierra hd pickup with the diesel engine, is rated to tow up to 22,500 pounds conventionally or 36,000 with a gooseneck hitch fitted.
In addition to the standard gasoline engine, gmc is introducing a new trim level for the 2025 model year, the gmc sierra hd denali ultimate. What are the key features of the 2025 gmc sierra hdโs interior?