Worst 2021 Mazda Mazda3 Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Electrical Faults
Airbags
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All Problems by Category
Every NHTSA complaint category for the 2021 Mazda Mazda3.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 18 | — | — | — | |
| Electrical Faults | 6 | 1 | 2 | 1,903 mi | |
| Airbags | 4 | 1 | — | — | |
| Forward Collision Avoidance: Automatic Emergency Braking | 4 | — | — | — | |
| Brakes | 4 | — | — | — | |
| Transmission / Drivetrain | 3 | — | — | — | |
| Forward Collision Avoidance: Warnings | 2 | — | — | — | |
| Fuel System | 2 | — | — | — | |
| Lane Departure: Assist | 2 | — | — | — | |
| Lane Departure: Blind Spot Detection | 2 | — | — | — | |
| Body Structure | 2 | — | — | — | |
| Unintended Acceleration | 2 | 1 | — | — | |
| Wheel Issues | 2 | — | — | — | |
| Forward-Collision Avoidance Issues | 1 | — | — | — | |
| Forward Collision Avoidance: Adaptive Cruise Control | 1 | — | — | — | |
| Lane Departure: Warning | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Steering Defects | 1 | 1 | — | — | |
| Suspension Failures | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Mazda Mazda3. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2021 Mazda Mazda3
1 NHTSA recall campaign affecting ~599 vehicles.
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
Other Mazda Mazda3 Years
2021 Mazda Mazda3 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 Mazda Mazda3 reliable?
What are common problems with the 2021 Mazda Mazda3?
At what mileage do problems start on the 2021 Mazda Mazda3?
How safe is the 2021 Mazda Mazda3?
Does the 2021 Mazda Mazda3 have any recalls?
Should I buy a 2021 Mazda Mazda3?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mazda Mazda3 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2021 Mazda Mazda3
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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