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

2011 Mazda CX-9 Reliability ReportCommon Problems, Repair Costs & Expert Verdict

78/ 100
MODERATE RISK

Grade: C+

A fun-to-drive family hauler that requires proactive maintenance to avoid costly surprises.

Full system breakdown + what I would do

Should You Buy the 2011 Mazda CX-9?

The 2011 Mazda CX-9 is a stylish and engaging three-row crossover that offers a spirited driving experience for its class. While generally solid, specific known weak points, particularly with its engine's internal water pump and transmission, elevate the risk profile, making diligent maintenance absolutely critical for long-term ownership. This isn't a hands-off vehicle; it demands attention.

Biggest Strengths

  • Engaging driving dynamics
  • Spacious and versatile interior
  • Strong V6 engine performance

Top Risk Areas

The systems that break first on the 2011 Mazda CX-9. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Engine Cooling Systemmajor
2
Automatic Transmissionmajor
3
Rust and Corrosionmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

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

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mazda North American Operations (Mazda) is recalling certain 2014-2015 Mazda CX-9 vehicles sold, or ever registered in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, unless covered in "Zone A," Mazda is recalling certain 2011-2013 Mazda6, 2011-2012 CX-7, and 2011-2015 CX-9 sold, or ever registered in the states of Arizona, Arkansas, Delaware, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, West Virginia and the District of Columbia, or "Zone B." Additionally, unless covered in Zone A or Zone B, Mazda is recalling certain 2010-2013 Mazda6, 2010-2012 CX-7, and 2010-2015 CX-9 vehicles ever registered in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Mazda North American Operations (Mazda) is recalling certain 2007-2012 CX-7, CX-9, and 2009-2012 Maza6 vehicles. These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

What breaks on the 2011 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 reliability scores across nearby years of the Mazda CX-9. Click any year for its full report.

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Frequently Asked Questions

Full Report

2011 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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