2021 Mazda MAZDA6 Fuel system Problems
- Complaints
- 1about this part
- Share
- 6%of 17 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2021 Mazda MAZDA6, 6% of the 17 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Oil Consumption Defect. I bought car on 7/10/21. Mazda aware of the problem at the time and still sold me the car. Since then I have had to add oil in between oil changes. Mazda states problem cannot be fixed. My car vin # included with defected cars. My Limited New Car Warranty will be up soon. I am aware others have concacted you with this problem. Can you tell me what is being done about this?”
NHTSA complaint #11518647, filed 2023-04Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 6% |
| 2018 | 7 | 12% |
| 2017 | 2 | 3% |
| 2016 | 4 | 5% |
| 2015 | 4 | 7% |
| 2014 | 5 | 4% |
| 2013 | 1 | 4% |
| 2012 | 4 | 4% |
| 2011 | 4 | 3% |
| 2010 | 3 | 1% |
| 2009 | 11 | 3% |
| 2008 | 5 | 5% |
| 2007 | 2 | 1% |
| 2006 | 6 | 3% |
| 2005 | 1 | 1% |
| 2004 | 6 | 4% |
| 2003 | 15 | 9% |
Other parts of the 2021 Mazda MAZDA6
13 complaintsOther or unknown
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBack-over prevention (rear camera)
1 complaints
← All problems reported for the 2021 Mazda MAZDA6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology