2021 Lexus IS owner complaints
Most named: engine
1 of 3 complaints
- Crashes
- 1
- Fires
- 0
- Injuries
- 0
- 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 | 3 | 100% |
| Engine | 1 | 33% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Acura TLX | 70 |
| Lexus ES | 33 |
| Audi A4 | 11 |
| Alfa Romeo Giulia | 9 |
| Volvo S60 | 8 |
| Mercedes-Benz CLA | 7 |
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