2026 Mazda CX-30 problems and complaints
Owners have filed 4 complaints with NHTSA about the 2026 Mazda CX-30. The most-reported areas: Vehicle Speed Control (2), Unknown Or Other (2), Electrical System (1).
Key takeaways
- 4 owner complaints on file with NHTSA.
- 1 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Vehicle Speed Control | 2 | 50% |
| Unknown Or Other | 2 | 50% |
| Electrical System | 1 | 25% |
| Exterior Lighting | 1 | 25% |
| Power Train | 1 | 25% |
| Engine | 1 | 25% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2026 Mazda CX-30
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
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2026 MAZDA CX-30 SUV N/A AWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Vehicle Speed Control,unknown Or Other - filed 2026-09-16
Abrupt acceleration while pushing the gas pedal, erratic tachometer. Stays at the same speed for a while when gas is pushed at highway speeds then accelerates abruptly. Vibration and noise during park. During highway driving, merging and passing got risky. Bought the brand new car on 7 September, immediately followed b...
Electrical System,unknown Or Other - filed 2026-08-26
I am reporting a severe electrical fire and system failure hazard resulting from unauthorized, dealership-installed aftermarket wiring modifications on a brand new 2026 Mazda CX-30. At the point of sale, Walker's Renton Mazda ([XXX]) spliced invasive, unauthorized aftermarket tracking/security wiring (suspected LoJack...
Exterior Lighting - filed 2026-08-20
The high beams would turn on by themselves, and no matter what I did, they wouldn't turn off. Each time the high beams turned on, I would have to fiddle with the control stick for a few minutes until the high beams turned off. Sometimes they would turn off for a second and then just turn back on. This is dangerous as i...
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More for the 2026 Mazda CX-30
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.