Most common 2018 Mazda MX-5 problems
Share of the 3 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mazda MX-5 complaints by model year
Best MX-5 years: 2018, 2012, 2014. Years to avoid: 2016, 2006, 2007. Compare all years →
2018 Mazda MX-5 recalls (3)
Air bags › Air bag/restraint control module › Software
Mazda North American Operations (Mazda) is recalling certain 2016-2023 MX-5 Miata vehicles. A software error in the air bag control module may cause the front air bags to deploy with excessive force during a crash.
Remedy: Dealers will update the Sophisticated Air Bag Sensor (SAS) control module software, free of charge. Owner notification letters were mailed November 7, 2024. Owners may contact Mazda customer service at 1-800-222-5500.
Fuel system, gasoline › Delivery › Fuel pump
Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.
Remedy: Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.
Power train › Automatic transmission › Control module (TCM/PCM/tecm)
Mazda North American Operations (Mazda) is recalling certain 2016-2019 MX-5 (Miata) vehicles with automatic transmissions. Due to incorrect programming of the Transmission Control Module (TCM), certain conditions may cause the vehicle to unexpectedly downshift and abruptly decelerate.
Remedy: Mazda will notify owners, and dealers will reprogram the TCM with corrected software, free of charge. The recall began March 14, 2019. Owners may contact Mazda customer service at 1-800-222-5500, option 4.
2018 Mazda MX-5 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.0L 4-cyl | 6-speed manual | RWD | 26 / 33 / 29 |
| 2.0L 4-cyl | 6-speed automatic | RWD | 26 / 35 / 29 |
EPA ratings. Class: Sports car.
Frequently asked questions
Is the 2018 Mazda MX-5 a good car?
Based on 3 owner complaints filed with NHTSA, the 2018 MX-5 rates better than average: 50% fewer complaints than a typical year of the MX-5 at the same age. It is one of the best MX-5 years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2018 Mazda MX-5?
The body & structure — 1 complaint, 33% of all complaints for this model year, most often about body. Next are the electrical system (1) and engine & cooling (1).
How many recalls does the 2018 Mazda MX-5 have?
There are 3 recalls for the 2018 Mazda MX-5, the most recent from September 18, 2024 (software). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Mazda MX-5?
The best years by complaints, compared at the same age, are 2018, 2012 and 2014. Years to avoid or approach with caution: 2016, 2006 and 2007. See the full Mazda MX-5 years comparison.
At what mileage do 2018 Mazda MX-5 problems happen?
The median mileage reported in complaints is about 10,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.