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#BS-2021-MAZMAZ-3764

2021 Mazda Mazda6Problems, Recalls & Reliability

Based on reports from 19 owners and 0 recalls for this exact model.

Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026

Complaints
19
Crashes
0
Fires
0
Recalls
0
TSBs
301
✅

Preliminary Verdict

Green Light

Based on 19 complaints, 0 crashes, 0 fires, and 0 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

backup-cam image freezes

1 complaints • Severity 8/10

$X,XXX
2

infotainment overheating message

1 complaints • Severity 8/10

$X,XXX
3

seat memory function not working properly

1 complaints • Severity 8/10

$X,XXX
4

infotainment overheating message

1 complaints • Severity 6/10

$X,XXX
5

key fob non responsive

1 complaints • Severity 4/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the EngineHIGH

13 owners reported engine issues.

!Inspect the VisibilityMED
Look for symptoms of wear and premature failure
+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine (13 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine13 (68%)
Other2 (11%)
Visibility2 (11%)
Back Over Prevention: Sensing System: Camera1 (5%)
Fuel System1 (5%)

2021 Mazda Mazda6: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 68% of all reports filed for the 2021 Mazda Mazda6, with 13 owners filing complaints with NHTSA.

Visibility Issues

Visibility complaints account for 11% of all reports filed for the 2021 Mazda Mazda6, with 2 owners filing complaints with NHTSA. Owners should pay attention to visibility-related symptoms during test drives and pre-purchase inspections.

Back Over Prevention: Sensing System: Camera Issues

Back Over Prevention: Sensing System: Camera complaints account for 5% of all reports filed for the 2021 Mazda Mazda6, with 1 owners filing complaints with NHTSA. Owners should pay attention to back over prevention: sensing system: camera-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 5% of all reports filed for the 2021 Mazda Mazda6, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

1
21
10
22
6
23
1
24
1
25

Complaints filed with NHTSA by year for the 2021 Mazda Mazda6. Recent trend: stable.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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2021 Mazda Mazda6 NHTSA Safety Ratings

Overall

★★★★★

5 of 5 stars

Frontal crash

★★★★★

5 of 5 stars

Side crash

★★★★★

5 of 5 stars

Rollover

★★★★★

4 of 5 stars

From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.

The worst model year for the Mazda Mazda6 is the 2004 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 19 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026; safety ratings from NHTSA's 5-Star program.

Other Mazda Mazda6 Model Years

20212020201920182017201620152014201320122011201020092008200720062005200420032002
View all Mazda Mazda6 years →

2021 Mazda Mazda6: Frequently Asked Questions

What is the most common problem with the 2021 Mazda Mazda6?
The most commonly reported issue with the 2021 Mazda Mazda6 is related to the engine, with 13 complaints filed with NHTSA.
Is the 2021 Mazda Mazda6 reliable?
The 2021 Mazda Mazda6 has 19 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How safe is the 2021 Mazda Mazda6?
NHTSA rates the 2021 Mazda Mazda6 5 out of 5 stars overall, with 5 stars in frontal crash tests, 5 stars in side crash tests, 4 stars for rollover resistance. Where NHTSA tested more than one version, the lowest rating is shown.
How much does it cost to fix 2021 Mazda Mazda6 problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2021 Mazda Mazda6 have any recalls?
No recalls have been issued for the 2021 Mazda Mazda6 according to NHTSA records.
What mileage do Mazda Mazda6 problems start?
Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.
When was the 2021 Mazda Mazda6 data last updated?
BumperScan last checked this vehicle against NHTSA on October 21, 2026, covering owner complaints received through October 19, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 19 owner reports. Know before you buy.

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