2021 Mazda Mazda6 problems and recalls

76% of owner complaints on the 2021 Mazda Mazda6 related to the Engine (13 of 17).

17
Complaints
0
Recalls
0
Crash reports
0
Fire reports
0
Injuries
52.1
Severity index

Severity index 52.1 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 52.1p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Components cited in complaints

EngineEngine: 13 complaints (76.5%)13 76%Unknown Or OtherUnknown Or Other: 2 complaints (11.8%)2 12%Visibility/WiperVisibility/Wiper: 2 complaints (11.8%)2 12%Back Over PreventionBack Over Prevention: 1 complaints (5.9%)1 6%Fuel/Propulsion SystemFuel/Propulsion System: 1 complaints (5.9%)1 6%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE1376.5%
UNKNOWN OR OTHER211.8%
VISIBILITY/WIPER211.8%
BACK OVER PREVENTION15.9%
FUEL/PROPULSION SYSTEM15.9%

Complaints filed per year

0492021: 12022: 92023: 52024: 12025: 121229232425
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20211
20229
20235
20241
20251
Filings in 2023 to 2025 were close to 2021 to 2022 (7 against 10).

Other Mazda Mazda6 model years

Severity index for every other model year on file. Compare all 8 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.