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What 35 owners told NHTSA about the 2021 Mazda Cx-90 Phev

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 (35)Crash / fire / injury (6)Engine (18)Brakes (4)Driver assistance (3)Airbags (2)Backup camera & sensors (2)Transmission & drivetrain (2)Electrical system (1)Speed control (1)Steering (1)Suspension (1)

2 of 35 complaints match · Airbags · crash/fire/injury only · clear filters

May 25, 2023AirbagsCrash

2021 Mazda CX-9 Frontal collision at a speed between 10-20 mph. Car shut down after collision and was not drivable. Concern is the driver side airbag did not deploy. (Neither did passenger but there was no person in the passenger seat)

NHTSA ODI 11523765

Oct 13, 2022AirbagsCrash

REAR PASSENGER HANDLE AND HOOK ABOVE SEAT IN ROOF SPLINTERED INTO SHARP PROJECTILES FLYING THROUGH CABIN WHEN AIR BAG DEPLOPYED I SHOWED THE SHARP PIECES TO MY INSURANCE ADJUSTER THE POWER OF THE RIGHT CURTAIN AIR BAG DEPLOYMENT BROKE THE HANDLE TO PIECES AND IF ANYONE HAD BEEN IN THE BACK SEAT THEY COULD HAVE HAD AN EYE PUT OUT OR BEEN EMPLAILED BY THE SHARP PIECES

NHTSA ODI 11489125

Working with the data? Download all 35 complaints as CSV · fetched from NHTSA July 18, 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 2021 Mazda Cx-90 Phev verdict →