Gmc 2024 Denali 2024 Dually Towing Capacity. The denali ultimate trim package is the newest and highest trim package available on the gmc sierra 1500, sierra 2500hd, and sierra 3500hd trucks. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type,.
Download our trailering and towing guide for more info. Powertrain upgrades increase towing capacity;