The 2018 Mazda Mazda6 is associated with 56 official NHTSA owner defect complaints and 2 safety recall campaigns in the federal safety database. The most frequently reported component area is Engine, accounting for 22 reports (39% of total complaints). EPA testing covers 3 certified vehicle configurations spanning 2.5l 4-cyl powertrain configurations. Gasoline and hybrid variants deliver 26 to 29 MPG combined.
Key Data Findings
- • NHTSA Owner Complaints: 56 reports
- • Safety Recall Campaigns: 2 campaigns
- • Top Reported Defect Area: Engine (22 / 39%)
- • Safety Incident Signals: 1 crash / 1 fire / 1 injury reports
- • NHTSA Overall Safety Rating: 5 / 5 Stars
- • EPA Efficiency: 26–29 MPG (3 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| 6 | 2.5L 4-Cyl | Front-Wheel Drive | Automatic (S6) | 26 MPG | 35 MPG | 29 MPG | — | $2,100 / yr |
| 6 | 2.5L 4-Cyl | Front-Wheel Drive | Manual 6-spd | 24 MPG | 33 MPG | 27 MPG | — | $2,300 / yr |
| 6 | 2.5L 4-Cyl | Front-Wheel Drive | Automatic (S6) | 23 MPG | 31 MPG | 26 MPG | — | $2,350 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| 4 DR FWD | | | | | 10.299999999999999% |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2018 Mazda Mazda6 models.
View complete 2018 Mazda Mazda6 crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2018 Mazda Mazda6 problems & component breakdown (22 categories) →
Affected Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Defect Summary: 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.
Free Manufacturer 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.
Affected Component: ENGINE
Defect Summary: 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.
Free Manufacturer Remedy: 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.
View all 2018 Mazda Mazda6 recalls & campaign history (2 campaigns) →