2021 GMC Sierra Towing Capacity

Ready to pick up the slack on your Dalton and Rockmart job sites? When equipped with an available 3.0L Duramax® Turbo-Diesel engine, the 2021 GMC Sierra towing capacity reaches 11,800 pounds. Join the Welborn Chevrolet of Rome team for a breakdown of the GMC Sierra towing capacity at each trim level, and then find your favorite new Sierra 1500 for sale in our inventory!
GMC Sierra Towing Capacity by Trim level
Depending on the trim level and engine you choose, the GMC Sierra towing capacity ranges from 9,200 to 11,800 pounds. Six distinct trim levels — base Sierra, SLE, Elevation, SLT, AT4, and Denali — make it easy to customize your Sierra to match your needs on and off the job site. So, how much can the GMC Sierra tow across the trim lineup? Compare GMC Sierra towing capacity and engine specs by trim level below:
Sierra, SLE, Elevation & SLT

- Tow up to 11,800 pounds with available 6.2L V8 engine and Max Trailering Package.
- 20 mpg in the city and 23 highway mpg with a 2.7L Turbo engine.
Sierra AT4
- Tow up to 9,200 pounds with 5.3L V8 engine, AT4 Crew Cab Short Bed, and available 4WD.
- 16 city and 21 highway mpg with 5.3L V8 engine.
Sierra Denali
- Tow up to 9,200 pounds with 5.3L V-8 engine and 2WD Denali Short Box model.
- 17 city and 23 highway mpg with available 5.3L V-8 engine.
GMC Sierra Features for Better Towing
Every GMC Sierra is designed to help you tow safer and stronger, no matter the driving conditions in Adairsville. For specialized towing performance, equip your Sierra with industry-first features like a Six-Function MultiPro Tailgate, the ProGrade™ Trailering System, and an in-vehicle Trailering App a CarbonPro™ carbon-fiber composite bed.
How much can the GMC Sierra tow when equipped with the most advanced technology on the market? Opt for the Max Trailering Package for increased Sierra towing capacity and GCWR:
GMC Sierra Max Trailering Package: $1,125 MSRP
- Automatic locking rear differential
- Handling/Trailering Suspension Package
- Enhanced cooling radiator
- Revised shock tuning
- Heavier duty rear springs and increased RGAWR
- 9.76″ rear axle
- 3.42 axle ratio
- Trailer brake controller
What is the ProGrade™ Trailering System?
This available suite of advanced trailering features uses high-resolution cameras and other sensors to monitor towing progress in real-time. The result? Safer towing, no matter what challenges you meet on the road to Gadsden, AL.
- Hitch Guidance with Hitch View — Simplify your trailering with dynamic gridlines and zoom capabilities.
- Trailer Light Sequence Test — Ensure that your trailer lights are functioning properly, even when you’re traveling solo.
- In-Vehicle Trailering and Smartphone App — Access security and safety features like a pre-departure checklist, Trailer Theft Detection, programmable trailer brake settings, and more
Test Drive a New GMC Sierra for Sale in Rome!
If you’re ready to find out what a new GMC Sierra 1500 can do on your job sites, why not take one for a test run? Contact the team at Welborn Chevrolet of Rome to set up your test drive today! While you’re here, see how much you can save with our exclusive new vehicle specials. Curious about the best tires for maximum grip while you’re towing with your GMC Sierra? See the best tires for the GMC Sierra today with our team!
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