2021 Mazda Mazda6 reliability
Owners have filed 17 complaints with NHTSA about the 2021 Mazda Mazda6 over 6 years — 5 per year. That is more complaints per year than most Mazda6 years here — over the median of the other years, which is 3. NHTSA has no recalls on file for this model year.
17
5
0
6
The complaints owners file most often name Engine (13 of 17), then Visibility and wipers (2) and Back-over prevention (1). The most filings arrived in 2022 (9 of 17).
The 2020 Mazda6 has 2 complaints, 0 per year. The 2021 has more complaints per year than the 2020.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2021 Mazda Mazda6. How we count. Data as of .
Recalls (0)
No recalls on file with NHTSA for this model year.
Complaints by component (17 total)
0
0
0
0
Complaints filed per year
Excerpts from recent NHTSA complaint filings
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"The Infotainment system malfunctions. The rear view camera freezes, not with the current conditions but a still picture of a street I do not recognize. This puts not only myself at risk for an accident but those of…"
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"Twice had low oil warning lamp appear. First time in July 2023, 2nd time in June 2024. Both times oil has just been changed 2-3 months prior. Saw articles that there was a recent lawsuit, which is why I am filling…"
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"Engine oil low warning 2k miles after oil change and again a week after topping oil off."
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"My car displayed a low oil level light between oil changes and after checking the dipstick it was low. No sign of visible oil leak so upon further research I was made aware of a TSB about defective valve seals causing…"
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"Low oil light comes on. Using excessive oil between oil changes."
NHTSA crash ratings
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Mazda Mazda6 4 DR FWD | 5 stars | 5 stars | 5 stars | 4 stars |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
Specs and fitment
Known issues for this generation
NHTSA campaign 17V-393 covers certain 2014-2015 Mazda6 vehicles (with 2014-2016 Mazda3): water can enter the brake caliper so the parking- brake actuator shaft corrodes and binds, preventing full engage or release; dealers check and replace corroded shafts. Campaign 17V-546 covers certain 2016 Mazda6 vehicles where welding debris on the front passenger seat frame may damage occupant-classification wiring, risking loss of power steering assist and passenger air-bag deactivation; dealers attach a protective pad and tape damaged harnesses. Campaign 14V-675 covers certain 2014-2015 Mazda6 vehicles for tire-pressure monitoring compliance. Confirm open campaigns by VIN.
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Frequently asked questions
Is the 2021 Mazda Mazda6 reliable?
Owners have filed 17 complaints with NHTSA about the 2021 Mazda Mazda6 over 6 years — 5 per year. That is more complaints per year than most Mazda6 years here — over the median of the other years, which is 3. NHTSA has no recalls on file for this model year.
What are common problems with a 2021 Mazda Mazda6?
The complaints owners file most often name Engine (13 of 17), then Visibility and wipers (2) and Back-over prevention (1). The most filings arrived in 2022 (9 of 17).
Is the 2021 Mazda Mazda6 more reliable than the years next to it?
The 2020 Mazda6 has 2 complaints, 0 per year. The 2021 has more complaints per year than the 2020.
Has the 2021 Mazda Mazda6 been recalled?
NHTSA has no recalls on file for the 2021 Mazda Mazda6.
How many complaints have owners filed about the 2021 Mazda Mazda6?
Owners have filed 17 complaints about the 2021 Mazda Mazda6 with NHTSA.
What engine oil does a Mazda Mazda6 use?
US Mazda6 manuals specify SAE 0W-20 for SKYACTIV-G 2.5L engines (5W-30 where the manual specifies).
What does NHTSA campaign 17V-393 cover on the Mazda6?
Certain 2014-2015 Mazda6 vehicles (with 2014-2016 Mazda3): water can enter the brake caliper so the parking-brake actuator shaft corrodes and binds; dealers check and replace corroded shafts.
What tire sizes does the Mazda6 use by generation?
Second gen (2012-2013) lists 215/55R17. Third gen (2014-2021) lists 225/45R19 on this site.