Towing Capacity
The towing capacity of the GMC Sierra 1500 varies depending on the engine and drivetrain options you select. The truck has a maximum towing capacity of 9,500 lbs with the standard 2.7-liter Turbo engine. When you upgrade to the 5.3-liter V8 engine, the weight increases to 11,200 lbs. If you need to tow a lot of weight, the available 6.2-liter V8 engine can tow up to 13,000 lbs. For the Diesel engine variant, the Sierra can also tow up to 13,000lbs.