100 NHTSA owner complaints · 2 recalls · data-computed verdict. No opinions — public data only.

Complaints per year on the road: 20.0
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
Excessive oil consumption. Regularly have a low oil warning come up about 6000 kms after an oil change. Oil is always low when checked.
On June 3rd, 2026, about 1:15 PM, I braked in the rain because there was a stopped car in front of me. The brakes did not work; the Automatic Emergency brakes did not work; the Forward Collision Warning did not work and I hit the car in front of me causing a 3 car accident. As I hit the car I saw the Forward Collision Warning come on and then go out. Unfortunately, the brakes worked after that and the Mazda Collision…
Following a recent inspection at Perry Mazda in Santa Barbara, my vehicle was diagnosed with a failed clock spring mechanism causing airbag malfunction warnings. Clock spring failure under 70K miles on a 2021 vehicle is premature and suggests a defect rather than normal wear. I contacted Mazda North America and it has been over a week without a response. I have maintained the vehicle responsible and have no history …
What the community is saying right now.
| Campaign | Component | Summary |
|---|---|---|
| 21V086000 | Structure:Body:Hatchback/Liftgate | Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially … |
| 21V101000 | Tires:Valve | Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.… |
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
The most-reported issue in NHTSA complaint data is Engine (49 complaints in our indexed sample).
Our data verdict is CAUTION with a reliability score of 66/100, computed from 100 NHTSA complaints and 2 recall campaigns. See the verdict card for the top reasons.
Yes — NHTSA lists 2 recall campaign(s) for the 2021 Mazda CX-30, 0 of them touching fire, crash or stall risk, the most recent recorded 18/02/2021. Check this car's VIN at nhtsa.gov/recalls before you buy.
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorComplaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-08-20.