2021 Toyota Sienna owner complaints
Most named: air bags
13 of 43 complaints
- Crashes
- 0
- Fires
- 1
- Injuries
- 1
- 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 |
|---|---|---|
| Air bags | 13 | 30% |
| Service brakes | 6 | 14% |
| Seats | 5 | 12% |
| Structure | 5 | 12% |
| Electrical system | 4 | 9% |
| Visibility and wipers | 4 | 9% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Toyota Highlander | 523 |
| Chrysler Pacifica | 372 |
| Honda Odyssey | 143 |
| Kia Sedona | 9 |
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