Home · 2018 Mazda Mazda3 Sedan · Complaints

What 107 owners told NHTSA about the 2018 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 (107)Crash / fire / injury (6)Electrical system (30)Visibility & wipers (16)Backup camera & sensors (15)Engine (12)Fuel system (10)Brakes (6)Driver assistance (5)Transmission & drivetrain (5)Lane Departure (4)Body & structure (2)

30 of 107 complaints match · Electrical system · clear filters · page 2 of 2

Sep 16, 2022Electrical systemBrakesDriver assistance

warning lights FOR ABS

NHTSA ODI 11484765

Apr 26, 2021Electrical systemBody & structureVisibility & wipers

THE REAR WIPER STOPPED WORKING DURING A DRIVE IN HEAVY RAIN CONDITIONS, SIMILARLY LIKE IT HAPPEN TO THE SAME VEHICLE FOR THE FRONT WIPERS 6 MONTHS AFTER I GOT THE VEHICLE. I TRIED TO SCHEDULE AN APPOINTMENT WITH THE DEALER BUT WITH THE PANDEMIC IT WAS NOT POSSIBLE. WHEN I WENT FOR THE ACTUAL APPOINTMENT ON MARCH 2021, THEY TOLD ME THE VEHICLE WAS OUT OF WARRANTY EVEN THOUGH IT IS BARELY 3 YEARS OLD, AND JUST FOR A DIAGNOSTIC THEY WILL CHARGE $160 PLUS TAX. THE POTENTIAL REPAIR WOULD BE EXTRA, RANGING FROM A NEW BCM TO A NEW MOTOR, OR BOTH, SCALING UP TO $450 REPAIR BILL. THE ISSUE IS EXTREMELY SIMILAR TO A SAFETY RECALL THAT THE VEHICLE HAD FOR THE FRONT WIPER WERE THEY HAD TO CHANGE THE RELAYS FREE OF CHARGE. I CONSIDER THIS ALSO A SAFETY ISSUE AS IF YOU'RE DRIVING IN THE HIGHWAY AT 55MPH DURING THE HEAVY RAIN AND YOU ARE NOT ABLE TO SEE AND VEHICLE THAT COMES AT HIGH SPEED, SUCH TRUCK THAT LOOSE THE BRAKES IN A ROUNDABOUT EXIT, THAT POSES A SAFETY RISK TO DRIVERS AND OWNERS OF THIS VEHICLE. A RECALL SHOULD BE MADE FOR THIS REAR WIPER ISSUE LIKE FOR THE FRONT ONE.

NHTSA ODI 11413902

Feb 9, 2021Electrical system

THE CHARGE WARNING SYSTEM CAME ON AND THEN A FEW MINUTES LATER MY CAR COMPLETELY SHUTS DOWN IN THE MIDDLE OF TRAFFIC IT HAPPENED ON FEBRUARY 3RD AND I HAD ANOTHER INCIDENT ON FEBRUARY THE 9TH 2021 I TOOK THE CAR IN TO GET LOOKED AT MY MAZDA AND THEY COULDN'T FIND ANYTHING WRONG WITHOUT HAVING THE INDICATION WHEN I CLEARLY TOLD THEM MY CAR STOPPED IN THE MIDDLE OF TRAFFIC THIS IS VERY DANGEROUS AND IT CAN CAUSE ACCIDENTS

NHTSA ODI 11395489

May 21, 2020Electrical systemEngine

THE BATTERY IN MY 2018 MAZDA 3 (TOURING) HAS DIED 3 TIMES IN ABOUT YEAR'S TIME. AFTER THE FIRST TIME, THE DEALER SAID IT WAS JUST A FLUKE--THAT IT COULD HAVE BEEN CAUSED BY ANYTHING. THEY PUT A BRAND NEW BATTERY IN. AFTER THE SECOND BATTERY DIED, THE DEALER SAID THAT IT WAS BECAUSE WE WEREN'T MAKING LONG DRIVES IN THE CAR. THEY REPLACED THE BATTERY WITH A BRAND NEW ONE--AND THEY ASSURED ME IT WASN'T ANYTHING ELSE INCLUDING THE ALTERNATOR (I ASKED ABOUT THE ALTERNATOR SPECIFICALLY). NOW, THAT BATTERY HAS DIED. I WILL CALL THE DEALER TOMORROW TO HAVE A FOURTH BATTERY INSTALLED.... THE VEHICLE WAS STATIONARY--EITHER IN OUR GARAGE OR DRIVEWAY--WHEN WE REALIZED THE BATTERY WAS DEAD. IF YOU WOULD LIKE TO SEE THE RECORDS OF MY VARIOUS VISITS TO THE MAZDA DEALERSHIP, PLEASE CONTACT ME. *TR

NHTSA ODI 11325490

Jul 31, 2019Transmission & drivetrainElectrical systemSeat belts

TL* THE CONTACT OWNS A 2018 MAZDA 3. THE CONTACT STATED THAT SHE WAS EXPERIENCING DIFFERENT ELECTRICAL FAILURES WITH THE VEHICLE. THE CONTACT STATED THAT THE PASSENGER SIDE SEAT BELT WARNING CHIME SOUNDED WHEN THE SEAT WAS UNOCCUPIED. THE CONTACT HAD TO BUCKLE THE SEAT BEAT TO STOP THE WARNING SOUND. IN ADDITION, BOTH PASSENGER SIDE WINDOWS FAILED TO ROLL UP AFTER BEING DOWN. ALSO, WHILE DRIVING 40 MPH, THE TRANSMISSION FAILED TO RESPOND WITHOUT WARNING WHILE DEPRESSING THE ACCELERATOR PEDAL. THE CONTACT HAD TO SHIFT THE VEHICLE FROM SECOND INTO FIRST GEAR IN ORDER FOR IT TO RESUME NORMAL OPERATION. THE CONTACT TOOK THE VEHICLE TO ODGES MAZDA AT THE AVENUES (10681 PHILIPS HWY, JACKSONVILLE, FL 32256, (904) 562-1600) WHERE A DIAGNOSTIC TEST WAS PERFORMED, BUT NO FAILURE WAS FOUND. THE FAILURE CONTINUED AND THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 18.

NHTSA ODI 11240844

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Working with the data? Download all 107 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 2018 Mazda Mazda3 Sedan verdict →