2016 Mazda CX-9 problems and recalls

62% of owner complaints on the 2016 Mazda CX-9 related to the Engine (61 of 99).

99
Complaints
0
Recalls
3
Crash reports
1
Fire reports
3
Injuries
51.7
Severity index

Severity index 51.7 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 51.7p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 95 of 141 by severity index among 2016 vehicles with at least 40 complaints, highest first. 33% of those vehicles scored lower. Full 2016 ranking.

Components cited in complaints

EngineEngine: 61 complaints (61.6%)61 62%Electrical SystemElectrical System: 14 complaints (14.1%)14 14%Service BrakesService Brakes: 11 complaints (11.1%)11 11%Power TrainPower Train: 9 complaints (9.1%)9 9%Fuel/Propulsion SystemFuel/Propulsion System: 7 complaints (7.1%)7 7%Unknown Or OtherUnknown Or Other: 6 complaints (6.1%)6 6%StructureStructure: 4 complaints (4.0%)4 4%SeatsSeats: 3 complaints (3.0%)3 3%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE6161.6%
ELECTRICAL SYSTEM1414.1%
SERVICE BRAKES1111.1%
POWER TRAIN99.1%
FUEL/PROPULSION SYSTEM77.1%
UNKNOWN OR OTHER66.1%
STRUCTURE44.0%
SEATS33.0%

Complaints filed per year

013262016: 22017: 32018: 72019: 82020: 52021: 62022: 232023: 172024: 262025: 21617181920212223242625
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20162
20173
20187
20198
20205
20216
202223
202317
202426
20252
Filings in 2023 to 2025 were close to 2020 to 2022 (45 against 34).

Other Mazda CX-9 model years

Severity index for every other model year on file. Compare all 11 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.