2021 Nissan Altima owner complaints
Most named: forward collision avoidance
22 of 70 complaints
- Crashes
- 7
- Fires
- 1
- Injuries
- 4
- 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 |
|---|---|---|
| Forward collision avoidance | 22 | 31% |
| Electrical system | 21 | 30% |
| Service brakes | 18 | 26% |
| Other or not specified | 12 | 17% |
| Steering | 7 | 10% |
| Engine | 6 | 9% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Honda Accord | 234 |
| Toyota Corolla | 185 |
| Toyota Camry | 157 |
| Hyundai Sonata | 134 |
| Nissan Sentra | 132 |
| Volkswagen Jetta | 69 |
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