2025 Gmc Denali 2025 Duramax Towing Capacity. A 2025 gmc sierra 1500 has a maximum towing capacity of 13,200 pounds when properly equipped. Check out consumer reports 2025 gmc canyon road test report and expert reviews on driving experience, handling, comfort level, and safety features.

Detailed specs and features for the 2025 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. If frequent heavy towing is not a priority, the turbomax™ engine.