2020 Mazda Mazda3 problems and complaints
Owners have filed 32 complaints with NHTSA about the 2020 Mazda Mazda3. The most-reported areas: Forward Collision Avoidance (15), Steering (3), Electrical System (3).
Key takeaways
- 32 owner complaints on file with NHTSA.
- 0 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Forward Collision Avoidance | 15 | 47% |
| Steering | 3 | 9% |
| Electrical System | 3 | 9% |
| Service Brakes | 3 | 9% |
| Unknown Or Other | 3 | 9% |
| Fuel/Propulsion System | 2 | 6% |
| Suspension | 2 | 6% |
| Lane Departure | 2 | 6% |
| Tires | 1 | 3% |
| Power Train | 1 | 3% |
| Equipment | 1 | 3% |
| Seat Belts | 1 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Mazda Mazda3 5 HB AWD | 5/5 | 5/5 | 5/5 | 5/5 |
| 2020 Mazda Mazda3 4 DR AWD | 5/5 | 5/5 | 5/5 | 5/5 |
| 2020 Mazda Mazda3 5 HB FWD | 5/5 | 5/5 | 5/5 | 5/5 |
| 2020 Mazda Mazda3 4 DR FWD | 5/5 | 5/5 | 5/5 | 5/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Fuel/Propulsion System - filed 2026-07-02
Low pressure fuel pump failure with 75,575 miles on odometer. Fuel pump completely seized. Car was parked at a retail location and would not start. Upon troubleshooting, mechanic was able to determine the low pressure pump was not delivering fuel. Pump was replaced. Faulty fuel pumps could lead to hazardous cond...
Tires - filed 2026-03-13
size 21545ZR18 93Y. replaced these oem tires with these from costco on feb 27 2025. in dec 5 2025 the tire developed a large bubble. miles bought was 27790. current miles 31212. per tire center steal belting was broken no signs of road hazard or other damage. the belt broke and rubber was stressed with " maybe a 1000...
Power Train - filed 2026-02-19
My Mazda3 began producing a chirp when shifting from 3rd to 4th gear (automatic transmission). The dealer stated that the car needed a new torque converter. At the time the car only 37,000 miles on it, quite low mileage for a torque converter to fail. Mazda has previously admitted to producing cars with faulty torque c...
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More for the 2020 Mazda Mazda3
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.