2021 Mazda MAZDA6 owner complaints
Most named: engine
13 of 17 complaints
Owner complaints to the US safety agency (NHTSA), 2021 models. No crashes, fires or injuries in them.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Engine | 13 | 76% |
| Other or not specified | 2 | 12% |
| Visibility and wipers | 2 | 12% |
| Back-over prevention | 1 | 6% |
| Fuel system | 1 | 6% |
Complaints by model year
| Model year | Complaints |
|---|---|
| 2009 | 386 |
| 2010 | 225 |
| 2011 | 135 |
| 2012 | 99 |
| 2013 | 23 |
| 2014 | 137 |
| 2015 | 60 |
| 2016 | 77 |
| 2017 | 60 |
| 2018 | 58 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 17 |
Rivals, 2021
| Rival | Complaints |
|---|---|
| Honda Accord | 234 |
| Kia K5 | 167 |
| Toyota Camry | 157 |
| Hyundai Sonata | 134 |
| Nissan Altima | 70 |
| Honda Insight | 25 |
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