2025 Gmc Sierra At4x Towing Capacity. If you’re wondering about the towing capacity of the 2025 gmc sierra 1500, you’re in luck. 2025 gmc sierra 1500 towing capacity.

View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 at4x at u.s. 13.4 diagonal centre touchscreen and 12.3 diagonal driver information centre.