Worst 2018 Mazda CX-9 Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Electrical Faults
Transmission / Drivetrain
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All Problems by Category
Every NHTSA complaint category for the 2018 Mazda CX-9.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 71 | — | — | 29,767 mi | |
| Electrical Faults | 15 | — | 1 | 10,817 mi | |
| Transmission / Drivetrain | 13 | — | — | — | |
| Brakes | 11 | 2 | — | 27,660 mi | |
| Fuel System | 5 | — | — | 13,408 mi | |
| Forward Collision Avoidance: Automatic Emergency Braking | 3 | — | — | — | |
| Steering Defects | 3 | — | — | — | |
| Wipers & Visibility | 3 | 1 | — | — | |
| Airbags | 2 | 2 | — | — | |
| Back Over Prevention: Rearview System Braking | 2 | — | — | — | |
| Back Over Prevention: Warnings | 2 | — | — | — | |
| Engine & Cooling | 2 | — | — | — | |
| Child Seat | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Forward-Collision Avoidance Issues | 1 | — | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Fuel Pump | 1 | — | — | — | |
| Fuel System, Gasoline:Delivery:Pressure Sensor | 1 | — | — | — | |
| Lane Departure: Warning | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Seat-Related Issues | 1 | — | — | — | |
| Seats:Mid/Rear Assembly | 1 | — | — | — | |
| Body Structure | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2018 Mazda CX-9. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2018 Mazda CX-9
2 NHTSA recall campaigns affecting ~128,892 vehicles.
Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.
Mazda North American Operations (Mazda) is recalling certain 2018 CX-9 vehicles. The wiring harness may disrupt electrical communications and disable the passenger frontal air bag, turn signals, and/or engine starting system.
Other Mazda CX-9 Years
2018 Mazda CX-9 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2018 Mazda CX-9 reliable?
What are common problems with the 2018 Mazda CX-9?
At what mileage do problems start on the 2018 Mazda CX-9?
How safe is the 2018 Mazda CX-9?
Does the 2018 Mazda CX-9 have any recalls?
Should I buy a 2018 Mazda CX-9?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mazda CX-9 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2018 Mazda CX-9
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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