When you’re comparing 2025 GMC Sierra towing capacity, the key factor to look at is the powertrain. Depending on which engine you choose, this model can tow up to 13,200 lbs behind it — all with plenty of additional hauling power to spare. At Wilkinson Chevrolet GMC, we’re here to help you find the trucks with the engine and towing specs you need.
5.3-Liter Gas Engine
The 2025 GMC Sierra comes equipped with a standard 5.3-liter gas engine that can generate 355 horsepower and 383 lb-ft of torque. With the proper configuration, this engine can tow up to 11,200 lbs behind it. That’s enough to tow larger trailers and heavier equipment, making this a great choice for heavy-duty recreation.
6.2-Liter V8 Engine
For even more power, whether on the job site or just for fun, the 6.2-liter V8 engine pushes towing potential even further. With this, the 2025 GMC Sierra can tow up to 13,000 lbs behind it. It also delivers 420 horsepower — the most of any powertrain on this model — giving you excellent acceleration in every situation.
Duramax® 3.0-Liter Turbo-Diesel Engine
When you opt for the diesel engine with the Duramax® 3.0-liter turbo-diesel powertrain, you’ll get plenty of towing and turning power. This engine is rated for up to 13,200 lbs, making it the strongest in the 2025 GMC Sierra lineup. With maximum torque at 495 lb-ft, it helps this truck work harder in tough environments.
Test 2025 GMC Sierra Towing Capacity in Sanford, NC
Now that you know which 2025 GMC Sierra engines have the towing power you need, it’s time to schedule your test drive. Contact Wilkinson Chevrolet GMC to learn more about towing features.


