2018 Mazda Mazda3 problems and complaints
Owners have filed 110 complaints with NHTSA about the 2018 Mazda Mazda3. The most-reported areas: Electrical System (30), Unknown Or Other (26), Back Over Prevention (16).
Key takeaways
- 110 owner complaints on file with NHTSA.
- 6 involve a crash, 0 a fire, 5 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 30 | 27% |
| Unknown Or Other | 26 | 24% |
| Back Over Prevention | 16 | 15% |
| Visibility/Wiper | 16 | 15% |
| Engine | 12 | 11% |
| Fuel/Propulsion System | 7 | 6% |
| Service Brakes | 6 | 5% |
| Power Train | 5 | 5% |
| Forward Collision Avoidance | 5 | 5% |
| Fuel System | 4 | 4% |
| Gasoline | 4 | 4% |
| Lane Departure | 4 | 4% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2018 Mazda Mazda3
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Mazda Mazda3 4 DR FWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2018 Mazda Mazda3 5 HB FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Back Over Prevention,equipment - filed 2026-10-20
The contact owns a 2018 Mazda Mazda3. The contact stated that while reversing, the rearview camera displayed a distorted image, nearly resulting in a collision with a parked vehicle. Several unknown warning lights illuminated, creating a driver distraction. In addition, the infotainment screen delaminated and experienc...
Engine And Engine Cooling,fuel System, Gasoline - filed 2026-10-13
The contact owns a 2018 Mazda Mazda3. The contact stated that while driving uphill at 45 MPH, the vehicle sputtered, hesitated to accelerate, and the check engine warning light illuminated. When the contact firmly depressed the accelerator pedal, the engine made a knocking noise, and the vehicle stalled. Diagnostic tes...
Unknown Or Other - filed 2026-08-26
The sunroof spontaneously shattered while I was driving. It sounded like a small explosion. I am positive that no object struck the vehicle.
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More for the 2018 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.