2024 Gmc Sierra Hd Specs. Detailed specs and features for the 2024 gmc sierra 2500hd double cab pro including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type,. Select a 2024 gmc sierra hd to view feature and capability specs on the official site.

Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck. Select a 2024 gmc sierra at4 and at4x hd to view feature and capability specs on the official site.