Worst 2018 Mazda Cx-9 Problems
Top 3 most-reported issues with average mileage at failure.
ENGINE
UNKNOWN OR OTHER
ELECTRICAL SYSTEM
Check the actual VIN — every car is different.
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2018 Mazda Cx-9.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| ENGINE | 71 | — | — | 29,767 mi | |
| UNKNOWN OR OTHER | 19 | 1 | — | 11,390 mi | |
| ELECTRICAL SYSTEM | 15 | — | 1 | 10,817 mi | |
| POWER TRAIN | 12 | — | — | — | |
| SERVICE BRAKES | 11 | 2 | — | 27,660 mi | |
| FUEL/PROPULSION SYSTEM | 5 | — | — | 13,408 mi | |
| FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | 3 | — | — | — | |
| STEERING | 3 | — | — | 3,600 mi | |
| VISIBILITY/WIPER | 3 | 1 | — | 28,000 mi | |
| AIR BAGS | 2 | 2 | — | 28,000 mi | |
| BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING | 2 | — | — | — | |
| BACK OVER PREVENTION: WARNINGS | 2 | — | — | — | |
| ENGINE AND ENGINE COOLING | 2 | — | — | 82,040 mi | |
| CHILD SEAT | 1 | — | — | — | |
| EXTERIOR LIGHTING | 1 | — | — | — | |
| FORWARD COLLISION AVOIDANCE | 1 | — | — | 946 mi | |
| FUEL SYSTEM, GASOLINE | 1 | — | — | — | |
| FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 1 | — | — | 65,000 mi | |
| FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR | 1 | — | — | 65,000 mi | |
| LANE DEPARTURE: WARNING | 1 | — | — | — | |
| SEAT BELTS | 1 | — | — | — | |
| SEATS | 1 | — | — | — | |
| SEATS:MID/REAR ASSEMBLY | 1 | — | — | — | |
| STRUCTURE:BODY | 1 | — | — | — | |
| SUSPENSION | 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
3 NHTSA recall campaigns affecting ~249,930 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 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
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.
Check Any VIN — $4.99