2021 Mazda 6: common problems and reliability

One of the best 6 years.

17 owner complaints, most about engine. No recalls.

Should I buy a 2021 6?

The 2021 Mazda 6 has 17 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are engine and visibility/wiper.

Safety record for the 2021 model year

17
Owner complaints
0
Recalls
0
Crash reports
0
Fire reports

Source: NHTSA complaints and recalls filed for 2021 Mazda 6 vehicles (US, public record).

The Year Score compares this year with other 6 years only. How we score it

Is 2021 a good year for the 6?

Across the 20 6 model years we track, complaint volume runs from 2 (2020) to 386 (2009). With 17 complaints, the 2021 6 sits below the model's median of 111.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

engine
13
visibility/wiper
2
back over prevention
1
fuel/propulsion system
1

What owners say across generations

Sentiment is broadly positive, with the Mazda 6 consistently praised for its reliability, longevity, and driving dynamics.

Owner insights cover all generations of the 6. See the full 6 owner picture and every model year.

Other 6 model years

Compare every 6 year side by side to see how 2021 ranks against the rest.

Compare the 6 against its rivals

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