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What 21 owners told NHTSA about the 2017 Mazda Cx-30

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 (21)Crash / fire / injury (2)Fuel system (9)Engine (3)Electrical system (2)Speed control (2)Visibility & wipers (2)Airbags (1)Backup camera & sensors (1)Body & structure (1)Brakes (1)Fuel System, Other (1)

1 of 21 complaints match · Body & structure · clear filters

Aug 2, 2020Body & structureEngineCrash

I WAS IN AN ACCIDENT AT A VERY HIGH SPEED. A DRIVER DIDN'T SEE ME IN HIS LEFT SIDE BLIND SPOT AND WAS VEERING INTO MY LANE AT 85-90MPH. I SWERVED TO THE LEFT TO AVOID THE CAR AND MY CAR WOULDN'T STRAIGHTEN/I COULDN'T GET BACK THE CONTROL. I SMASHED THE GUARDRAIL WITH THE WHOLE LEFT SIDE OF MY CAR AND THE CAR WAS DEEMED TO BE TOTALED BY THE INSURANCE COMPANY. THE AIRBAGS NEVER DEPLOYED DESPITE THE HIGH SPEED AND IMPACT OF THE ACCIDENT.

NHTSA ODI 11342747

Working with the data? Download all 21 complaints as CSV · fetched from NHTSA July 10, 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 2017 Mazda Cx-30 verdict →