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2020 Mazda CX-9 Maintenance guide

2020 Mazda CX-9 Maintenance guide
v1.0Updated Jun 12, 2026·Ethan Miller4 Sources Analyzed
MAINTENANCE SUMMARY

The 2020 Mazda CX-9 offers good reliability with a score of 7.2, but owners should prioritize verifying recall completion for the second-row seat anchorage. A high TSB count of 48 suggests potential for minor electrical or chassis issues, warranting diligent attention to preventative maintenance.

View Critical Issue: Second-Row Seat Anchorage
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Reliability Score

8.7/ 10

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

48 TSBs | 2 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

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Key Takeaways

  • Prioritize verification of recall completion for the second-row seat anchorage.
  • A high TSB count suggests potential for minor electrical or chassis issues; stay vigilant with maintenance.

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MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

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Full ownership breakdown for the 2020 Mazda CX-9.

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Quick links for routine service and common repair parts.

  • 5W-30 Synthetic Oil
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  • Cabin Air Filter

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