Towing Capacity Of 2025 Gmc Sierra 2500hd. The sierra 2500hd is a serious rig capable of tugging up to 22,500 pounds with a ball hitch and featuring a maximum payload of 4,178 pounds. When it comes to hauling, the 2025 gmc sierra 2500hd is up to the task.
For model year 2025, the sierra 2500 hd can tow up to 22,500 pounds, an increase of 4,000 pounds over the. * and an available max towing capacity of up to 36,000 lbs.