2021 GMC Sierra Towing Capacity: 11,800 lbs (All Trims)
The 2021 GMC Sierra is rated to tow up to 11,800 lbs when properly equipped on its top AT4 6.2L EcoTec3 V8 4x4 Max Trailering trim. Across all 4 trims, towing capacity ranges from 7,900 lbs to 11,800 lbs.
All 2021 trims compared
| Trim | Max Tow | Payload | GCWR | Tongue | Hitch |
|---|---|---|---|---|---|
| Base 4.3L EcoTec3 V6 4x2 | 7,900 lbs | 2,000 lbs | 12,500 lbs | 790 lbs | IV |
| SLT 2.7L Turbo I-4 4x4 | 9,500 lbs | 2,280 lbs | 13,900 lbs | 950 lbs | IV |
| Denali 3.0L Duramax I-6 Diesel 4x4 | 9,500 lbs | 1,870 lbs | 14,000 lbs | 950 lbs | V |
| AT4 6.2L EcoTec3 V8 4x4 Max Trailering | 11,800 lbs | 1,690 lbs | 17,000 lbs | 1,180 lbs | V |
Frequently asked questions
What is the towing capacity of a 2021 GMC Sierra? ▾
The 2021 GMC Sierra has a maximum towing capacity of 11,800 lbs on its top trim (AT4 6.2L EcoTec3 V8 4x4 Max Trailering). Lower trims tow less — see the comparison table above.
How does 2021 Sierra compare to 2020? ▾
Capacity differences year-over-year are typically 100–500 lbs. View the 2020 model page below for direct comparison.
Which trim of the 2021 Sierra tows the most? ▾
The AT4 6.2L EcoTec3 V8 4x4 Max Trailering trim has the highest tow rating at 11,800 lbs.