2024 Gmc Sierra 2500hd Towing Capacity Chart. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. The lowest towing capacity rating for the refreshed 2024 gmc sierra hd is 14,500 pounds, as attached to a variety of different model configurations.

With the 2024 model year comes a host of new and enhanced. The lowest towing capacity rating for the refreshed 2024 gmc sierra hd is 14,500 pounds, as attached to a variety of different model configurations.