2025 Gmc Sierra 2500hd At4 Towing Capacity. Towing capabilities are a cornerstone of the sierra's appeal, with each engine tailored for specific trailering needs. Up to 22,070 lbs of max towing capacity:

Some cab, engine, and bed combinations of the 2500 hd have seen their towing capacity drop by 10 to 190 pounds from the previous model year, mostly with a. Towing capabilities are a cornerstone of the sierra’s appeal, with each engine tailored for specific trailering needs.