Model year 2018 · Midsize Cars

2018 Mazda 6: recalls, fuel economy and safety ratings

EPA rates the 2018 Mazda 6 at 26–29 mpg combined across 3 versions. NHTSA lists 2 safety recalls and 58 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.

Safety recalls

EPA combined mpg

26–29

NHTSA overall rating

5/5

Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT

NHTSA lists this vehicle as MAZDA6.

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Mazda dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2018 Mazda 6 recalls

NHTSA's recall file lists 2 safety recalls for the 2018 Mazda 6, newest first.

Fuel system, gasoline: Delivery: Fuel pump

NHTSA 21V875000 Reported Nov 12, 2021

Filed by: Mazda Motor Corp. (manufacturer recall no. 5321K)
Units affected: 121,038 (estimate)
Problem: 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.
Risk: Fuel pump failure may cause an engine stall, increasing the risk of a crash.
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.

Full recall record on nhtsa.gov

Power train: Automatic transmission: Control module (tcm/pcm/tecm) and 1 more component

NHTSA 19V497000 Reported Jun 27, 2019

Filed by: Mazda Motor Corp. (manufacturer recall no. 3719F)
Components: Power train: Automatic transmission: Control module (tcm/pcm/tecm); Engine
Units affected: 262,220 (estimate)
Problem: 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.
Risk: An unexpected stall increases the risk of a crash.
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.

Full recall record on nhtsa.gov

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2018 Mazda 6 fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2018 Mazda 6 EPA fuel economy
Version	Engine	Transmission	Drive	Fuel	City/Hwy/Comb	Fuel cost/yr	CO2 g/mi
6	2.5L 4-cyl	Manual 6-spd	Front-Wheel Drive	Regular	24/33/27 mpg	$2,500	328
6	2.5L 4-cyl	Automatic 6-speed	Front-Wheel Drive	Regular	26/35/29 mpg	$2,300	302
6	2.5L 4-cyl turbo	Automatic 6-speed	Front-Wheel Drive	Regular	23/31/26 mpg	$2,600	335

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2018 Mazda 6 crash-test ratings

NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.

2018 Mazda 6 NHTSA 5-Star Safety Ratings
Tested vehicle	Overall	Frontal	Side	Rollover	Rollover risk	Forward collision warning
2018 Mazda Mazda6 4 DR FWD	5 stars	5 stars	5 stars	4 stars	10.3%	Optional

Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2018 Mazda 6 owner complaints

Owners have filed 58 complaints with NHTSA about the 2018 Mazda 6, most recently on Aug 29, 2026. 1 mention a crash, 1 a fire, 1 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2018 Mazda 6 complaints
Component named in complaints	Mentions
Engine	32
Power train	9
Unknown or other	9
Electrical system	4
Fuel/propulsion system	4
Service brakes	4
Suspension	3
Fuel system, gasoline	2
Structure: Body	2
Visibility/wiper	2

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other Mazda 6 model years

Mazda 6 by model year
Year	Combined	Recalls	Complaints	Overall rating
2021 6	26–29 mpg	0	17	5/5
2020 6	26–29 mpg	0	2	5/5
2019 6	26–29 mpg	1	6	5/5
2017 6	28–30 mpg	1	60	5/5
2016 6	29–32 mpg	1	77	5/5
2015 6	29–32 mpg	3	55	5/5

All Mazda 6 years compared · Decode a VIN

Other 2018 Mazda models

2018 Mazda 2 2018 Mazda 3 2018 Mazda CX-3 2018 Mazda CX-5 2018 Mazda CX-9 2018 Mazda MX-5

Sources

Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 28, 2026, plus a live check of api.nhtsa.gov in your browser.
Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
Crash tests: NHTSA 5-Star Safety Ratings API.
Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with Mazda.