2025 Gmc Sierra 2025 Towing Capacity V6. Research the 2025 gmc sierra 1500 diesel with our expert reviews and ratings. Here are the engines you’ll find with each trim level of the 2025 gmc sierra 1500, as well as the max towing capacity.

The lowest towing capacity rating for the refreshed 2025 gmc sierra hd is 14,500 pounds, as attached to a variety of different model configurations. The sierra’s maximum towing capacity ranges from 8,700 to 13,300 pounds depending on powertrain, trim level and equipment.