Mazda CX-9 problems, by model year and system
429 complaints owners filed with NHTSA about the Mazda CX-9 2016–2023, and the 1 system the record is deep on — engine (239). Each system has a page across the years; 2 model-year pages go deeper still. Every figure is a linked federal record; none is a failure rate or a verdict on one car.
The systems the record is deep on
Source: NHTSA complaints, recalls, investigations and manufacturer communicationsMazda CX-9 complaints, year by system
Source: NHTSA complaint database| Model year | engine |
|---|---|
| 2023 13 in all | — |
| 2022 10 in all | — |
| 2021 39 in all | 20 |
| 2020 19 in all | 5 |
| 2019 53 in all | 23 |
| 2018 128 in all | 78 |
| 2017 61 in all | 43 |
| 2016 106 in all | 70 |
Complaints owners filed with NHTSA naming each system, per model year; a bold count links the year’s own page on that system. Counts scale with sales and with time on the road; nothing here is a rate, and NHTSA’s headings are coarse (“Power Train” is the transmission and the driveline).
Common questions
Source: NHTSA complaint databaseWhich Mazda CX-9 system draws the most complaints?
Engine: 239 complaints across 8 model years, 56% of everything owners filed about the Mazda CX-9. A count, not a rate — it says nothing about how many were sold.
Which Mazda CX-9 year has the most complaints?
2018 (128), 2016 (106), 2017 (61). Older years have had longer to collect them; the year pages show each year's share by system.