2018 Mazda Mazda6: problems, recalls and what it’s worth
2 recall campaigns to confirm with a dealer.
Ask for the VIN and check it, then get a pre-purchase inspection.
Known problems on the 2018 Mazda Mazda6
No generation-wide weak spot is flagged in GarageIntel’s research for this year and model. A specific car can still have its own problems, so get it inspected.
2018 Mazda Mazda6 recalls
NHTSA lists 2 recall campaigns for the 2018 Mazda Mazda6. Repairs are free at a dealer for the brand, and a dealer can confirm by VIN which were already done.
- Fuel system
Fuel pump failure may cause an engine stall, increasing the risk of a crash.
Details 21V875000
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.
Fix: 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.
- Engine & cooling
An unexpected stall increases the risk of a crash.
Details 19V497000
Mazda North American Operations (Mazda) is recalling certain 2018-2019 CX-5, Mazda6, and 2019 Mazda3 vehicles. A software error in the powertrain control module (PCM) may cause the engine to stall.
Fix: Mazda will notify owners, and dealers will reprogram the PCM software, free of charge. The recall began August 20, 2019. Owners may contact Mazda customer service at 1-800-222-5500, option 4. Mazda's number for this recall is 3719F.
2018 Mazda Mazda6 safety investigations and free repairs
No open safety investigations.
Free repairs to ask about (warranty extensions):
- Engine: Additionally, you may notice one or more of the following symptoms: -Engine takes longer to warm up.
- Screen and audio: MAZDA CONNECT INFOTAINMENT SYSTEM LIMITED WARRANTY EXTENSION As a result of a Mazda Connect Infotainment Class Action settlement, Mazda Motor Corporation has decided to implement a Customer Service Program (CSP13).
- Cooling: Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000…
- Fuel system: DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a recall campaign.
- Warranty extension: Warranty Information is at the bottom of the TSB Parts and Warranty information and Repair Procedures will be available by October 25, 2024.
A dealer for the brand can check these by VIN.
Source: NHTSA, Sep 24, 2026.
2018 Mazda Mazda6 safety and fuel
From NHTSA’s crash tests and the EPA’s fueleconomy.gov.
What owners complain about
58 complaints filed with NHTSA for this year and model, about average.
Share of complaints that mention each area. One complaint can mention several.
Other Mazda Mazda6 years
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