Mazda CX-9: which model years draw the most owner complaints?
1,494 complaints filed with NHTSA about the Mazda CX-9, model years 2007 to 2023. 3 model years stand out for the engine or transmission: 2018 (engine 5.2×); 2016 (engine 4.8×); 2017 (engine 2.9×). Quietest mature years by complaint count: 2015, 2019, 2014. Counts of unverified owner reports, compared only with other years of the same model; not failure rates.
Complaints by model year
| MODEL YEAR | COMPLAINTS | VS OTHER YEARS | STANDS OUT | RECALLS |
|---|---|---|---|---|
| 2007 CX-9FEW REPORTS | 86 | — | 6 | |
| 2008 CX-9 | 172 | — | 6 | |
| 2009 CX-9FEW REPORTS | 59 | quiet: 4 of 13 | 7 | |
| 2010 CX-9 | 195 | — | 6 | |
| 2011 CX-9 | 171 | — | 4 | |
| 2012 CX-9 | 221 | — | 4 | |
| 2013 CX-9FEW REPORTS | 67 | — | 4 | |
| 2014 CX-9FEW REPORTS | 54 | quiet: 3 of 13 | 3 | |
| 2015 CX-9FEW REPORTS | 35 | quiet: 1 of 13 | 2 | |
| 2016 CX-9FEW REPORTS | 108 | engine 4.8× | 0 | |
| 2017 CX-9FEW REPORTS | 61 | engine 2.9× | 0 | |
| 2018 CX-9FEW REPORTS | 128 | engine 5.2× | 2 | |
| 2019 CX-9FEW REPORTS | 53 | quiet: 2 of 13 | 2 | |
| 2020 CX-9FEW REPORTS | 19 | — | 1 | |
| 2021 CX-9FEW REPORTS | 41 | — | 1 | |
| 2022 CX-9FEW REPORTS | 11 | — | 0 | |
| 2023 CX-9FEW REPORTS | 13 | — | 0 |
"Stands out" = 40 or more complaints naming that system and at least twice the model's quiet (lower-quartile) year, or twice the share seen across every vehicle of that model year. Newer years have had less time on the road. "Quiet" ranks only years with 7+ years on the road and 20+ complaints. NHTSA data through November 2026.
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Other Mazda models
Mazda 626 · Mazda B-Series Truck · Mazda CX-30 · Mazda CX-5 · Mazda CX-50 · Mazda CX-7 · Mazda CX-90 · Mazda MPV · Mazda MX-5 · Mazda Mazda3 · Mazda Mazda5 · Mazda Mazda6 · Mazda Protege · Mazda RX-8 · Mazda Tribute. All makes and models.
Source: NHTSA public complaints, recalls, service bulletin and investigation databases, data received through November 2026. Complaints are unverified reports from owners, not failure rates: sales volumes are unknown, so a model year is only compared with other years of the same model. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Year pages: 2008201020112012