2021 Mazda CX-30
Complaints about this year name oil far more often than the model's other years — 46% of them, about 7× the usual rate of 6.7%.
NHTSA opened a defect investigation into this model year.
| Complaints filed | 100 |
|---|---|
| Median for this model | 28 |
| Involving a crash | 10 |
| Recalls | 2 |
| NHTSA crash rating | 5/5 |
| EPA combined | 26 mpg |
Also unusual this year
- engine — 42% of complaints, 7× usual
- low engine — 20% of complaints, 50× usual
- low — 39% of complaints, 6× usual
What owners wrote
“Low engine oil level” light comes on periodically for last several hundred miles. Dipstick show oil level to be appropriate.
Low engine oil light came on after 3 months of driving. I know this is a common issue on the turbo model, yet there has not been a recall.
Verbatim from NHTSA complaint filings, with identifying details removed.
Recalls for this year
- 21V086000 STRUCTURE Fixed free of charge.
- 21V101000 TIRES Fixed free of charge.
How this was worked out
Every year of the Mazda CX-30 was compared against its own history rather than against other cars, which removes popularity and age from the answer — a common car draws more complaints at equal reliability, and an older one has had longer to accumulate them. A year is flagged when it drew at least 2.5× this model's median and at least 50 complaints.
This is a fault record, not a review. Nobody files a federal complaint to say the car was fine, so it shows what tends to go wrong — not whether owners liked it, and not whether it is a good car.
Source: NHTSA complaints, recalls and investigations, retrieved . Look this vehicle up directly on NHTSA's site to check anything here.
Own a 2021 Mazda CX-30? What happened to yours?
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