2020 GMC Sierra 1500 owner complaints
Most named: engine
234 of 468 complaints
- Crashes
- 12
- Fires
- 5
- Injuries
- 13
- Deaths
- 0
Owner complaints to the US safety agency (NHTSA), 2020 models.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Engine | 234 | 50% |
| Transmission and drivetrain | 97 | 21% |
| Electrical system | 80 | 17% |
| Service brakes | 49 | 10% |
| Other or not specified | 44 | 9% |
| Steering | 37 | 8% |
Complaints by model year
Rivals, 2020
| Rival | Complaints |
|---|---|
| Chevrolet Silverado 1500 | 731 |
| RAM 1500 | 631 |
| Ford F-150 | 550 |
| Toyota Tundra | 46 |
| Nissan Frontier | 23 |
| GMC Canyon | 14 |
What this cannot tell you
Counts, not rates. Sales volume differs by model.
Complaints are owner reports, not confirmed defects.
Source: NHTSA complaints data (api.nhtsa.gov), public domain. Collected 2026-10-05.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ