Gmc 2025 2025 Sierra.  — learn about the new 2025 gmc sierra, a luxury pickup truck with a digital dashboard, super cruise, and a powerful diesel engine. See the new sierra hd denali ultimate, at4x.

The sierra ev is completely new for 2025 and is offered initially only as the denali edition 1 model. Detailed specs and features for the 2025 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.