Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2018 Mazda CX-9 Reliability ReportCommon Problems, Repair Costs & Expert Verdict

88/ 100

KeepScore

LOW RISK

Grade: A-

A premium-feeling family SUV with a strong reliability record, offering peace of mind for the long haul.

Full system breakdown + what I would do

Quick Facts · 2018 Mazda CX-9

  • Has 2 NHTSA recalls on record — the most notable involves the fuel system, gasoline:delivery:fuel pump.
  • Outscores the 2016 Mazda CX-9 by 8 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: infotainment system (minor severity).

Should You Buy the 2018 Mazda CX-9?

The 2018 Mazda CX-9 stands out as a remarkably reliable three-row SUV, offering excellent long-term value and predictable ownership costs. Its robust powertrain and well-engineered chassis make it a smart choice for families seeking a premium feel without significant reliability headaches. This is one of the safest used family vehicles you can buy, provided you address routine maintenance diligently.

Biggest Strengths

  • Robust Skyactiv-G 2.5T engine
  • Durable 6-speed automatic transmission
  • Excellent overall build quality and materials

Top Risk Areas

The systems that break first on the 2018 Mazda CX-9. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Infotainment Systemminor
2
Power Liftgate Motor/Actuatormoderate
3
Front Suspension Bushings/Linksmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.

ELECTRICAL SYSTEM:WIRING

Mazda North American Operations (Mazda) is recalling certain 2018 CX-9 vehicles. The wiring harness may disrupt electrical communications and disable the passenger frontal air bag, turn signals, and/or engine starting system.

What breaks on the 2018 Mazda CX-9?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Mazda CX-9 by Year

Compare KeepScores across nearby years of the Mazda CX-9. Click any year for its full report.

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Relevant Products for Your 2018 Mazda CX-9

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Frequently Asked Questions

Full Report

2018 Mazda CX-9

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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Final Step

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