repaired · 2023 Q1
Tires: valve
Risk. A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.
2021 Mazda CX-30Problems, recalls & complaints
NHTSA has logged 101 owner complaints about the 2021 Mazda CX-30, most often about the engine. It is covered by 2 safety recalls, and for recall 21V-101 the manufacturer reports only 95% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 20, 2026. Updated daily. Photo: LuvsMG481, CC BY-SA 4.0.
Complaints by system
Where the 2021 Mazda CX-30 has problems
101 complaints grouped by the system owners reported.
49Engine
14Electrical system
12Forward collision avoidance4 crash/fire/injury
9Visibility/wiper
8Vehicle speed control3 crash/fire/injury
8Power train
6Service brakes
3Air bags
3Fuel/propulsion system
1511 other systems3 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 49 | 0 |
| Electrical system | 14 | 0 |
| Forward collision avoidance | 12 | 4 |
| Visibility/wiper | 9 | 0 |
| Vehicle speed control | 8 | 3 |
| Power train | 8 | 0 |
| Service brakes | 6 | 3 |
| Air bags | 3 | 2 |
| Fuel/propulsion system | 3 | 0 |
| 11 other systems | 15 | 3 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2021 Mazda CX-30 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q1
Body: hatchback/liftgate
Risk. If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the vehicle, it can increase their risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mazda.
Best & worst years
2021 vs. every other CX-30 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the CX-30 median. How we score
'20'21'22'23'24'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2021 Mazda CX-30 safety ratings
2021 Mazda CX-30 SUV AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 4 stars (14.7% risk)
- Stability control: Standard
- Forward collision warning: Standard
- Lane departure warning: Standard
In owners' words
What CX-30 owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
Excessive oil consumption. Regularly have a low oil warning come up about 6000 kms after an oil change. Oil is always low when checked.
While driving, on approach to a stop signal, at an intersection the car stopped moving. The display said engine malfunction, have inspected. The electronics and engine continued to operate, but the car would not move when gas pedal was depressed. I shut off and restarted my vehicle numerous times,…
As reported by others, Engine Malfunction light came on. Car running rough. Mazda dealer says corroded wiring harness and $5k to replace. They bypass the conventional repair and splice it in. Within a hour of driving after pick up, same engine malfunction light and rough running returns. This time…
Own a 2021 CX-30?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.