2020 GMC Sierra Towing Capacity: 12,100 lbs (All Trims)
The 2020 GMC Sierra is rated to tow up to 12,100 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 12,100 lbs.
All 2020 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 | 9,300 lbs | 1,870 lbs | 14,000 lbs | 930 lbs | V |
| AT4 6.2L EcoTec3 V8 4x4 Max Trailering | 12,100 lbs | 1,690 lbs | 17,000 lbs | 1,210 lbs | V |
Frequently asked questions
What is the towing capacity of a 2020 GMC Sierra? ▾
The 2020 GMC Sierra has a maximum towing capacity of 12,100 lbs on its top trim (AT4 6.2L EcoTec3 V8 4x4 Max Trailering). Lower trims tow less — see the comparison table above.
How does 2020 Sierra compare to 2019? ▾
Capacity differences year-over-year are typically 100–500 lbs. View the 2019 model page below for direct comparison.
Which trim of the 2020 Sierra tows the most? ▾
The AT4 6.2L EcoTec3 V8 4x4 Max Trailering trim has the highest tow rating at 12,100 lbs.