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Executive Vehicle Verdict

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.

Official Federal Record Profile
  • • NHTSA Owner Complaints: 56 consumer reports filed
  • • Safety Recall Campaigns: 2 official campaigns
  • • Primary Defect Domain: Engine (22 / 39%)
  • • Field Incident Signals: 1 crash / 1 fire / 1 injury reports
  • • NCAP Crash Safety: 5 / 5 Stars Overall Laboratory Score
  • • EPA Certified Range: 26–29 MPG across 3 powertrain trims
Directly compiled from official NHTSA Office of Defects Investigation (ODI), NHTSA NCAP, and EPA FuelEconomy.gov databases.

What is the fuel economy and range of the 2018 Mazda Mazda6?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

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.

What are the crash test safety ratings for the 2018 Mazda Mazda6?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

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 →

What defect complaints are reported for the 2018 Mazda Mazda6?

Summary of 56 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
56
Crash Reports
1
Fire Reports
1
Complaints w/ Injury
1
Total Injuries
1

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Engine 22 complaints
Fuel System 3 complaints
POWER TRAIN,ENGINE 3 complaints
Service Brakes 3 complaints
Powertrain 2 complaints

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) →

Are there open safety recalls on the 2018 Mazda Mazda6?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #21V875000 Active Recall
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.
NHTSA Campaign #19V497000 Active Recall
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) →
Search Intelligence

Quick Answers: Key Questions Drivers Ask About the 2018 Mazda Mazda6

Direct, deterministic answers synthesized from verified United States government databases for the 2018 Mazda Mazda6

How many safety recalls does the 2018 Mazda Mazda6 have?

The 2018 Mazda Mazda6 is associated with 2 official NHTSA safety recall campaigns in AutoUtility's current federal records.

If your individual vehicle is affected by an open safety recall, NHTSA advises owners to contact an authorized franchised dealership for the recall remedy at no charge. Because recall campaigns apply to specific production runs and equipment batches, vehicle owners should verify their 17-digit VIN at NHTSA.gov.

View all 2 recall campaigns & remedy details →
Source: NHTSA Safety Recalls Database (49 U.S.C. 30118)

What are the most common problems reported for the 2018 Mazda Mazda6?

NHTSA records list 56 consumer defect complaints for the 2018 Mazda Mazda6. The most frequently referenced vehicle system is Engine, appearing in 22 filings (39% of submissions).

Consumer complaints represent unverified owner submissions filed under federal reporting guidelines and describe reported component behavior rather than audited failure rates.

Explore full 2018 Mazda Mazda6 defect complaint breakdown →
Source: NHTSA Office of Defects Investigation (ODI)

What is the NHTSA safety rating for the 2018 Mazda Mazda6?

Under the NHTSA New Car Assessment Program (NCAP), the 2018 Mazda Mazda6 earned an Overall Safety Rating of 5 out of 5 stars across 1 tested configuration(s).

Laboratory evaluations include a 35 mph frontal barrier crash, side barrier and pole impact tests, and static rollover resistance assessments.

View detailed crash test laboratory breakdown →
Source: NHTSA New Car Assessment Program (NCAP)

What fuel economy (MPG) does the 2018 Mazda Mazda6 get?

Official EPA laboratory estimates for the 2018 Mazda Mazda6 range from 26 to 29 MPG combined (55% city / 45% highway weighted) depending on engine, transmission, and drivetrain configuration.

Using AutoUtility's standardized operating cost model (15,000 miles/year, $3.50/gal gas, $0.16/kWh electricity), annual energy expenditures range across certified configurations based on official EPA laboratory test baselines.

Compare MPG ratings across all certified trims →
Source: EPA FuelEconomy.gov Certified Database
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.