2021 Chevrolet Trailblazer owner complaints
Most named: electrical system
41 of 193 complaints
- Crashes
- 7
- Fires
- 3
- Injuries
- 5
- Deaths
- 0
Owner complaints to the US safety agency (NHTSA), 2021 models.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Other or not specified | 54 | 28% |
| Electrical system | 41 | 21% |
| Transmission and drivetrain | 40 | 21% |
| Engine | 38 | 20% |
| Service brakes | 29 | 15% |
| Fuel system | 17 | 9% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Ford Bronco Sport | 699 |
| Toyota RAV4 | 387 |
| Chevrolet Blazer | 136 |
| Chevrolet Equinox | 96 |
| Chevrolet Traverse | 89 |
| Chevrolet Trax | 24 |
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