2025 Gmc Truck Reviews. Research the 2025 gmc sierra 1500 diesel with our expert reviews and ratings. Check out consumer reports 2025 gmc sierra 1500 road test report and expert reviews on driving experience, handling, comfort level, and safety features.

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. Edmunds also has gmc sierra 1500 diesel pricing, mpg, specs, pictures, safety features, consumer reviews.