Mazda Cx-9 Years to Avoid

Based on CarWhere's analysis of 1,383 NHTSA complaints, the Mazda Cx-9 years to avoid are 2008, 2010, 2011, 2012 and 2018 — the worst logged up to 3.2× the model's median severity-weighted complaint rate, driven by brakes failures. Updated August 2026.

Source: NHTSA owner complaints & recall campaigns · Data as of August 2026 · How we rate model years

Avoid
20082010201120122018
Caution
20162019
Best
20152020

Year-by-year verdict

Model yearComplaintsSevereRecallsVerdict
2008172856AVOID
200959307SOLID
20101951416AVOID
20111701384AVOID
20122211794AVOID
201368404SOLID
201454363SOLID
201535242BEST
201699840CAUTION
201761500SOLID
2018124952AVOID
201951272CAUTION
202019111BEST
202134261SOLID
2022930N/A
20231260N/A
2024000N/A
2025000N/A

"Severe" = complaints reporting a crash, fire, injury, or a safety-critical component. Counts are raw federal filings, not adjusted for sales volume; verdicts compare each year against the rest of the Mazda Cx-9. Full methodology.

Common Mazda Cx-9 problems

Across the federal record, the most-reported problem areas on the Mazda Cx-9 are brakes, engine, suspension. The confirmed and owner-reported issues below include owner mileage and repair-cost ranges where available.

CONFIRMED

Brake booster failure

· Mazda Cx-9 2008–2014

Corroborated by 34 owner accounts of this failure, within a federal cluster of 405 brakes complaints across 2008–2014, typically 29,805–175,000 miles. Owner-reported repair cost $680–$1,500.

CONFIRMED

Water pump internal failure with coolant-oil mixing

· Mazda Cx-9 2009–2017

Corroborated by 39 owner accounts of this failure, within a federal cluster of 234 engine complaints across 2009–2017, typically 59,000–214,000 miles. Owner-reported repair cost $2,000–$8,000.

CONFIRMED

Front lower control arm/ball joint failure

· Mazda Cx-9 2008–2019

Corroborated by 9 owner accounts of this failure, within a federal cluster of 106 suspension complaints across 2008–2019, typically 30,000–188,000 miles. Owner-reported repair cost $1,774.

Why these years stand out

2008 Mazda Cx-9: 172 owner complaints on federal record, 85 of them severe, plus 6 recall campaigns — among the highest severity-weighted rates for the Mazda Cx-9.

2010 Mazda Cx-9: 195 owner complaints on federal record, 141 of them severe, plus 6 recall campaigns — among the highest severity-weighted rates for the Mazda Cx-9.

2011 Mazda Cx-9: 170 owner complaints on federal record, 138 of them severe, plus 4 recall campaigns — among the highest severity-weighted rates for the Mazda Cx-9.

2012 Mazda Cx-9: 221 owner complaints on federal record, 179 of them severe, plus 4 recall campaigns — among the highest severity-weighted rates for the Mazda Cx-9.

2018 Mazda Cx-9: 124 owner complaints on federal record, 95 of them severe, plus 2 recall campaigns — among the highest severity-weighted rates for the Mazda Cx-9.

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FAQ

What years of the Mazda Cx-9 should you avoid?

Based on federal NHTSA complaint and recall data, the Mazda Cx-9 years to avoid are 2008, 2010, 2011, 2012 and 2018 — they carry the model's highest severity-weighted complaint rates, led by brakes issues. See the year-by-year table for the full picture. Counts are raw federal filings, not adjusted for sales volume.

What are the best years for the Mazda Cx-9?

The 2015 and 2020 Mazda Cx-9 show the cleanest federal records among years with enough time on the road to judge — the lowest severity-weighted complaint rates for the model.

How is the Mazda Cx-9 verdict calculated?

Each model year's NHTSA owner complaints are weighted for severity (crashes, fires, injuries, and safety-critical components count more), converted to a rate per year on the road, and compared against the rest of the Mazda Cx-9's own history, then adjusted for recalls. Full method at /research/years-to-avoid/methodology.

How do I check a specific Mazda Cx-9 before buying?

Decode the VIN free at carwhere.com/tools/vin-decoder to confirm the exact year and build, then run the $9.99 CarWhere Full VIN Report — it includes the recall, complaint, and service-bulletin record for that exact VIN plus a market price check from verified buyers.

Is the Mazda Cx-9 reliable?

The Mazda Cx-9's reliability depends heavily on the model year. Across 1,383 NHTSA owner complaints, 2008, 2010, 2011, 2012 and 2018 rate "avoid", while 2015 and 2020 show the cleanest federal records — see the year-by-year verdicts above. Counts are raw federal filings, not adjusted for sales volume.

What are the most common problems with the Mazda Cx-9?

The most-reported problem area for the Mazda Cx-9 is brakes, followed by engine and suspension. Confirmed failures include brake booster failure, water pump internal failure with coolant-oil mixing, front lower control arm/ball joint failure. See the common-problems section above for owner-reported mileage and repair costs where available.

Sources & data notes

All figures are drawn from the U.S. National Highway Traffic Safety Administration (NHTSA), Office of Defects Investigation — owner-filed complaints and recall campaigns — covering the Mazda Cx-9 across every model year on record. Retrieved August 2026. Counts are raw federal filings and are not adjusted for the number of vehicles sold or registered; a verdict compares each model year against the rest of the Mazda Cx-9, not against other vehicles. Full scoring at the methodology page.

Verdicts are computed from federal NHTSA complaint and recall records, refreshed monthly. Read the full methodology.