2018 Mazda MX-5 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2018 Mazda MX-5, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Body & structure120.0%
- Driver assistance120.0%
- Electrical120.0%
- Engine120.0%
- Powertrain (other)120.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
STARTED FROM CREAK NOISE AS CAR START TO MOVE, ACCELERATE OR STOP. NOW IT DEVELOPED TO SOME TICKING NOISE EVERY TIME CAR ACCELERATE OR DECELERATE. THE CAR IS ONLY AT ABOUT 9700 MI WENT TO SPREEN MAZDA LOMA LINDA CA TO INSPECT THE CAR. THEY SAID IT IS NORMAL AND COME BACK WHEN IT GETS WORSE
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
I'VE OWNED MY 2018 MAZDA MX-5 FOR ABOUT TWO YEARS. THE PROBLEMS SLOW STARTED ARISING. AT FIRST I HADN'T NOTICED, BUT WHEN GOING IN AND OUT OF 'DRIVE' THE VEHICLE FELT LIKE IT WAS EITHER GOING TO STALL OR ACCELERATE. I HAD INITIALLY THOUGHT WAS BECAUSE IT'S A 'SPORTS CAR.' IN AUGUST OF 2020 THE WINDOW REGULATOR ON THE PASSENGER SIDE HAD MALFUNCTIONED. FAST FORWARD TO DECEMBER 2020, THE DRIVER SIDE WINDOW REGULATOR HAS MALFUNCTION AS WELL. I'VE BEEN DOING RESEARCH AS TO WHY THIS WOULD HAPPEN TO A VEHICLE THAT'S ABOUT 2 YEARS OLD. I'VE PURCHASED THE VEHICLE OCTOBER OF 2018. INTERNET FORUMS SUGGESTED FAULTS WITH THE ELECTRICAL WIRING. I'VE INFORMED THE MAZDA OFFICIAL WEBSITE OF THESE ISSUES AND INFORMED THEM OF THE INCONVENIENCE. MAKE NOTE I HAVE ONLY MADE A COMPLAINT TO THE WINDOW REGULATORS FAILING. I'VE PROVIDED THEM WITH MY VIN AND YET TO HEAR FROM THEM SINCE. IT DIDN'T OCCUR TO ME TO DO RESEARCH ON MY VIN, SO I DID AND MUCH TO MY CHAGRIN AFTER APOLOGIZING FOR POSSIBLY BEING RUDE, I FIND THAT MY VEHICLE HAS HAD A SERIOUS RECALL SINCE FEBRUARY 01ST OF 2019. A YEAR AND 10 MONTHS AND NO RECALL NOTICE WHAT SO EVER! SHOULDN'T THE DEALERSHIP KNOW OF THE PROBLEMS! SERIOUSLY I COULD HAVE DIED! I QUOTE, DIRECTLY FROM NHTSA, 'THE SUDDEN UNEXPECTED DOWNSHIFT WHILE DRIVING MAY NEGATIVELY AFFECT THE STABILITY OF THE VEHICLE, AND COULD LEAD TO A LOSS OF VEHICLE CONTROL, POTENTIALLY RESULTING IN A CRASH.' THIS IS INCREDIBLY DEPRESSING, SINCE THIS IS MY ONLY MEANS OF TRANSPORTATION. THEY HAD CLOSE TO 2 YEARS TO INFORM ME OF THIS RECALL AND I HAD TO FIND OUT MYSELF.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
I'VE OWNED MY 2018 MAZDA MX-5 FOR ABOUT TWO YEARS. THE PROBLEMS SLOW STARTED ARISING. AT FIRST I HADN'T NOTICED, BUT WHEN GOING IN AND OUT OF 'DRIVE' THE VEHICLE FELT LIKE IT WAS EITHER GOING TO STALL OR ACCELERATE. I HAD INITIALLY THOUGHT WAS BECAUSE IT'S A 'SPORTS CAR.' IN AUGUST OF 2020 THE WINDOW REGULATOR ON THE PASSENGER SIDE HAD MALFUNCTIONED. FAST FORWARD TO DECEMBER 2020, THE DRIVER SIDE WINDOW REGULATOR HAS MALFUNCTION AS WELL. I'VE BEEN DOING RESEARCH AS TO WHY THIS WOULD HAPPEN TO A VEHICLE THAT'S ABOUT 2 YEARS OLD. I'VE PURCHASED THE VEHICLE OCTOBER OF 2018. INTERNET FORUMS SUGGESTED FAULTS WITH THE ELECTRICAL WIRING. I'VE INFORMED THE MAZDA OFFICIAL WEBSITE OF THESE ISSUES AND INFORMED THEM OF THE INCONVENIENCE. MAKE NOTE I HAVE ONLY MADE A COMPLAINT TO THE WINDOW REGULATORS FAILING. I'VE PROVIDED THEM WITH MY VIN AND YET TO HEAR FROM THEM SINCE. IT DIDN'T OCCUR TO ME TO DO RESEARCH ON MY VIN, SO I DID AND MUCH TO MY CHAGRIN AFTER APOLOGIZING FOR POSSIBLY BEING RUDE, I FIND THAT MY VEHICLE HAS HAD A SERIOUS RECALL SINCE FEBRUARY 01ST OF 2019. A YEAR AND 10 MONTHS AND NO RECALL NOTICE WHAT SO EVER! SHOULDN'T THE DEALERSHIP KNOW OF THE PROBLEMS! SERIOUSLY I COULD HAVE DIED! I QUOTE, DIRECTLY FROM NHTSA, 'THE SUDDEN UNEXPECTED DOWNSHIFT WHILE DRIVING MAY NEGATIVELY AFFECT THE STABILITY OF THE VEHICLE, AND COULD LEAD TO A LOSS OF VEHICLE CONTROL, POTENTIALLY RESULTING IN A CRASH.' THIS IS INCREDIBLY DEPRESSING, SINCE THIS IS MY ONLY MEANS OF TRANSPORTATION. THEY HAD CLOSE TO 2 YEARS TO INFORM ME OF THIS RECALL AND I HAD TO FIND OUT MYSELF.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
I'VE OWNED MY 2018 MAZDA MX-5 FOR ABOUT TWO YEARS. THE PROBLEMS SLOW STARTED ARISING. AT FIRST I HADN'T NOTICED, BUT WHEN GOING IN AND OUT OF 'DRIVE' THE VEHICLE FELT LIKE IT WAS EITHER GOING TO STALL OR ACCELERATE. I HAD INITIALLY THOUGHT WAS BECAUSE IT'S A 'SPORTS CAR.' IN AUGUST OF 2020 THE WINDOW REGULATOR ON THE PASSENGER SIDE HAD MALFUNCTIONED. FAST FORWARD TO DECEMBER 2020, THE DRIVER SIDE WINDOW REGULATOR HAS MALFUNCTION AS WELL. I'VE BEEN DOING RESEARCH AS TO WHY THIS WOULD HAPPEN TO A VEHICLE THAT'S ABOUT 2 YEARS OLD. I'VE PURCHASED THE VEHICLE OCTOBER OF 2018. INTERNET FORUMS SUGGESTED FAULTS WITH THE ELECTRICAL WIRING. I'VE INFORMED THE MAZDA OFFICIAL WEBSITE OF THESE ISSUES AND INFORMED THEM OF THE INCONVENIENCE. MAKE NOTE I HAVE ONLY MADE A COMPLAINT TO THE WINDOW REGULATORS FAILING. I'VE PROVIDED THEM WITH MY VIN AND YET TO HEAR FROM THEM SINCE. IT DIDN'T OCCUR TO ME TO DO RESEARCH ON MY VIN, SO I DID AND MUCH TO MY CHAGRIN AFTER APOLOGIZING FOR POSSIBLY BEING RUDE, I FIND THAT MY VEHICLE HAS HAD A SERIOUS RECALL SINCE FEBRUARY 01ST OF 2019. A YEAR AND 10 MONTHS AND NO RECALL NOTICE WHAT SO EVER! SHOULDN'T THE DEALERSHIP KNOW OF THE PROBLEMS! SERIOUSLY I COULD HAVE DIED! I QUOTE, DIRECTLY FROM NHTSA, 'THE SUDDEN UNEXPECTED DOWNSHIFT WHILE DRIVING MAY NEGATIVELY AFFECT THE STABILITY OF THE VEHICLE, AND COULD LEAD TO A LOSS OF VEHICLE CONTROL, POTENTIALLY RESULTING IN A CRASH.' THIS IS INCREDIBLY DEPRESSING, SINCE THIS IS MY ONLY MEANS OF TRANSPORTATION. THEY HAD CLOSE TO 2 YEARS TO INFORM ME OF THIS RECALL AND I HAD TO FIND OUT MYSELF.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
2018 Mazda Miata MX-5 Club Sport, manual transmission Heading home from a friends house that evening, transmission started whirring/whining in 6th gear, then 5th, and so on through 2nd - 1st gear seems to be unaffected. I was forced to apply hazard flashers and travel well below the speed limit in the right lane of the PA turnpike until I made my way to local roads. As I got closer to home, there was also a slight crunch between gears. All of the symptoms above got worse until arriving home, where the vehicle was parked to await diagnosis/repair. 2016+ Mazda Miata MX-5 manual transmissions are infamous for being fragile, but I never expected my transmission to fail before I reached 20,000 miles on the odometer. Mazda also refused to refund it due to my car being just months out of warranty. I am now out $2000+ from sourcing a new transmission and having it installed on a relatively new car, which is unheard of.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .