2017 Mazda CX-9: owner complaints and recalls

70% of everything owners report about the 2017 Mazda CX-9 points at a single system: engine. That is 43 of 61 complaints on file.

61
Complaints
0
Recalls
0
Crash reports
0
Fire reports
0
Injuries
0.0
Severity index

Severity index 0.0 - Low. It weights crashes, fires, injuries and fatalities per 100 complaints, so a vehicle attracting serious reports scores above one attracting many trivial ones (how this is calculated).

Middle half of all tracked vehiclesThis vehicle: 0.0p25 35p75 96cleanestworst
Where the 2017 Mazda CX-9 sits against the quartiles of every vehicle we track.

Among the 136 2017 vehicles we track with at least 40 complaints on file, the 2017 Mazda CX-9 ranks 135 of 136 by severity, where 1 is the worst. Its severity is higher than 1% of its model-year peers. See the full 2017 ranking.

What actually fails

EngineEngine: 43 complaints (70.5%)43 70%Unknown Or OtherUnknown Or Other: 9 complaints (14.8%)9 15%Fuel/Propulsion SystemFuel/Propulsion System: 6 complaints (9.8%)6 10%Power TrainPower Train: 4 complaints (6.6%)4 7%SuspensionSuspension: 4 complaints (6.6%)4 7%SteeringSteering: 2 complaints (3.3%)2 3%Electrical SystemElectrical System: 2 complaints (3.3%)2 3%Forward Collision Avoid…Forward Collision Avoidance: 2 complaints (3.3%)2 3%
Systems named in complaints. One complaint can name several, so shares overlap.
ComponentComplaintsShare of complaints citing it
ENGINE4370.5%
UNKNOWN OR OTHER914.8%
FUEL/PROPULSION SYSTEM69.8%
POWER TRAIN46.6%
SUSPENSION46.6%
STEERING23.3%
ELECTRICAL SYSTEM23.3%
FORWARD COLLISION AVOIDANCE23.3%

Complaints filed per year

010192018: 22019: 12020: 12021: 42022: 112023: 192024: 162025: 52026: 2 (partial year)18192021222319242526
Complaints filed per calendar year, not model year. The hatched bar is the current year and is still incomplete.
YearComplaints
20182
20191
20201
20214
202211
202319
202416
20255
2026 (year to date)2
Complaint volume is rising - the last three years carry 2.5x the filings of the three before them, which usually signals a wear-related defect surfacing with age.
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.