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What 129 owners told NHTSA about the 2015 Mazda Mazda3 Sedan

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 (129)Crash / fire / injury (12)Brakes (26)Electrical system (24)Fuel system (14)Backup camera & sensors (12)Body & structure (6)Engine (6)Seats (6)Visibility & wipers (6)Lights (5)Transmission & drivetrain (5)

6 of 129 complaints match · Body & structure · clear filters

Feb 7, 2020Body & structure

MY SPOUSE WAS DRIVING ON A HIGHWAY AND SUDDENLY HEARD A LOUD SOUND. HE SCANNED THE SURROUNDINGS AND DID NOT SEE ANY UNUSUAL OCCURRENCE. HE FELT COLD AIR AND NOISE AND WHEN HE LOOK UP, HIS SUNROOF IS GONE, JUST A FEW GLASS LEFT ON THE SIDE LOOKING LIKE GRANULES. HE HAD SPONTANEOUS SUNROOF EXPLOSION.

NHTSA ODI 11307673

May 27, 2019Body & structure

POWER MOONROOF EXPLODED WHILE DRIVING ABOUT 40MPH ON A CITY STREET. IT WAS ABOUT 52DEG F ON A CLOUDY DAY. MY WIFE WAS IN PASSENGER SEAT & GLASS FELL IN ON US. WE PULLED OVER AND CLEANED UP MOST OF IT.

NHTSA ODI 11210152

Mar 31, 2017Body & structure

I HAVE FILED THIS CLAIM BECAUSE THE CAR IN MENTION HAS BEEN REPAIRED BY MAZDA FOR FAILURES IN THE DOOR LATCHING-LOCKING SYSTEM ON THREE (3) SEPARATE OCCASIONS ON DIFFERENT DOORS SINCE I PURCHASED IT AND IT IS CURRENTLY SHOWING SIGNS OF FAILURE ON ONE OF THE DOORS THAT WAS NOT AFFECTED BEFORE. I NO LONGER CONSIDER THE VEHICLE SAFE TO DRIVE AND I STRONGLY BELIEVE THAT FAILURES OF THIS NATURE MAY CAUSE ACCIDENTS WITH CATASTROPHIC INJURIES TO THE DRIVER AND TO OTHERS. AS A MAZDA CUSTOMER, CAR OWNER AND ENGINEERING PROFESSIONAL, I'M EXTREMELY CONCERNED WHEN I CONTEMPLATE THE POSSIBILITY THAT THIS MIGHT NOT BE AN ISOLATED CASE AND THAT OTHER MAZDA OWNERS MIGHT BE DRIVING UNSAFE VEHICLES. I HAVE ALSO STARTED A CLAIM WITH THE BBB AUTO LINE CASE MAZ1714424 WHERE I PURSUE REPURCHASE OF THE VEHICLE BY MAZDA AMONG OTHER ITEMS.

NHTSA ODI 10969669

Dec 13, 2016Body & structure

THE DASHBOARD HAS SEPARATED FROM THE INSTRUMENT PANEL IN LESS THAN 52,000 MILES.

NHTSA ODI 10935153

Jan 11, 2016Electrical systemLightsBody & structureCrash

TURNING TO PARK HER VEHICLE, IN A PARKING LOT, THE VEHICLE SUDDENLY ACCELERATED AND HIT TWO PARKED CARS IN FRONT.

NHTSA ODI 10819278

Aug 14, 2015Body & structure

TRAVELING DOWN THE HIGHWAY AT 60 MPH IN MY BRAND NEW MAZDA 3 COUPE WHEN THE DRIVERS SIDE FRONT WINDOW SPONTANEOUSLY IMPLODED THROWING SAFETY GLASS ALL OVER DRIVER AND PASSENGER.

NHTSA ODI 10748725

Working with the data? Download all 129 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 2015 Mazda Mazda3 Sedan verdict →