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What 19 owners told NHTSA about the 2020 Mazda CX-9

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (19)Crash / fire / injury (1)Engine (5)Electrical system (4)Fuel system (3)Brakes (2)Driver assistance (2)Transmission & drivetrain (2)Airbags (1)Backup camera & sensors (1)Body & structure (1)Tires (1)

1 of 19 complaints match · Airbags · crash/fire/injury only · clear filters

Jun 30, 2026AirbagsCrash1 injury

The contact owned a 2020 Mazda CX-9. The contact stated that while driving approximately 60 MPH, a second vehicle crashed head-on into the front of the vehicle. During the head-on crash, no air bags inside the vehicle deployed. The contact sustained a concussion and right eye injury and later received medical attention. A Police report was filed at the scene. The vehicle was destroyed and towed to a local storage facility. No information was available concerning the second vehicle's occupants. The cause of the failure was not yet determined. The manufacturer was notified of the failure. The local dealer was not contacted. The failure mileage was 130,000.

NHTSA ODI 11747446

Working with the data? Download all 19 complaints as CSV · fetched from NHTSA July 14, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 Mazda CX-9 verdict →