2018 Mazda CX-9: owner complaints and recalls
Analysis of 125 owner complaints filed with NHTSA and 2 recall campaigns. Updated 2026-07-25.
125
Complaints
2
Recalls
4
Crash reports
1
Fire reports
2
Injuries
30.4
Severity index
Severity index 30.4 - Low. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.
Among the 121 2018 vehicles we track with at least 40 complaints on file, the 2018 Mazda CX-9 ranks 94 of 121 by severity, where 1 is the worst. Its severity is higher than 22% of its model-year peers. See the full 2018 ranking.
What actually fails
| Component | Complaints | Share of complaints citing it |
|---|---|---|
| ENGINE | 73 | 58.4% |
| UNKNOWN OR OTHER | 19 | 15.2% |
| ELECTRICAL SYSTEM | 15 | 12.0% |
| POWER TRAIN | 13 | 10.4% |
| SERVICE BRAKES | 11 | 8.8% |
| FUEL/PROPULSION SYSTEM | 5 | 4.0% |
| FORWARD COLLISION AVOIDANCE | 4 | 3.2% |
| VISIBILITY/WIPER | 3 | 2.4% |
The single most-reported system is ENGINE, cited in 73 of 125 complaints (58.4%). One complaint can name several systems, so these shares overlap and do not total 100%.
Complaints filed per year
| Year | Complaints |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 21 |
| 2023 | 39 |
| 2024 | 30 |
| 2025 | 10 |
| 2026 (year to date) | 9 |
Complaint volume is rising - the last three years carry 2.7x the filings of the three before them, which usually signals a wear-related defect surfacing with age.
Recall campaigns
| Campaign | Reported | Component | Summary |
|---|---|---|---|
| 21V875000 | 12/11/2021 | FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 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. |
| 19V403000 | 30/05/2019 | ELECTRICAL SYSTEM:WIRING | 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. |
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.