2021 Mazda Mazda6 Problems, Recalls & Reliability

19 owner complaints sit in the federal file for the 2021 Mazda Mazda6, alongside 0 recall campaigns and 0 defect investigations. It scores 3/100 on the trouble index — too lightly reported for a fair score. Engine leads the reports.

19Complaints
3/100Trouble index
0Recalls

Few reports

Where 2021 sits among all Mazda6 years

Darker = quieter yearsBrighter amber = more trouble

What owners report

Engine 13 complaints (68%)
Visibility & wipers 2 complaints (11%)
Other 2 complaints (11%)
Fuel system 1 complaints (5%)
Driver assistance 1 complaints (5%)

Recalls

No recall campaigns on file for the 2021 Mazda Mazda6.

Technical service bulletins

300 manufacturer communications — service bulletins, the biggest share on engine and electrical — are on file for the 2021 Mazda Mazda6. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

See the 2021 Mazda6 TSB list →

Complaint history for this model year

When owners filed their reports — a long tail means problems kept surfacing for years.

2021peak 10 in 20222025

Questions buyers ask

Is the 2021 Mazda Mazda6 reliable?

The 2021 Mazda Mazda6 drew 19 complaints in federal safety records — too lightly reported for a fair score. Its trouble index is 3/100, scored against the model's worst year (2009).

What are the most common 2021 Mazda Mazda6 problems?

The top reported problems for the 2021 Mazda Mazda6 are engine (13 complaints), visibility & wipers (2), and other (2).

Does the 2021 Mazda Mazda6 have recalls?

No recall campaigns are on file for the 2021 Mazda Mazda6. Recalls can be issued at any time, so check the VIN before buying.

← 2020 Mazda6 All Mazda6 years
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.