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#BS-2004-MAZMAZ-3764

2004 Mazda Mazda6

Based on reports from 196 owners and 7 recalls for this exact model.

Complaints
196
Crashes
14
Fires
8
Recalls
7
TSBs
217
🛑

Preliminary Verdict

Red Flag

Based on 196 complaints, 14 crashes, 8 fires, and 7 recalls. This is the worst model year for this vehicle.

See full verdict with buy/skip conditions

Top reported problems

1

engine failure

8 complaints • Severity 9.5/10

$X,XXX
2

turns over but wont start

2 complaints • Severity 9/10

$X,XXX
3

crank play in the engine

1 complaints • Severity 10/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the AirbagsHIGH

52 owners reported airbags issues — failures commonly reported around 66K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

35
0–30K
24
30–60K
22
60–90K
15
90–120K
10
120–150K
16
150K+

Peak failure range: 0–30K miles (35 reports) • Median: 66K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Airbags (52 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

Airbags52 (27%)
Engine14 (7%)
Electrical11 (6%)
Drivetrain10 (5%)
Structure:body8 (4%)
Brakes8 (4%)
Speed Control7 (4%)
Power Train:automatic Transmission6 (3%)

2004 Mazda Mazda6: Known Issues & Problem Areas

Airbags Issues

Airbags complaints account for 27% of all reports filed for the 2004 Mazda Mazda6, with 52 owners filing complaints with NHTSA. The median mileage at time of complaint is 66,100 miles, suggesting issues tend to surface around the 66K-mile mark.

Engine Issues

Engine complaints account for 7% of all reports filed for the 2004 Mazda Mazda6, with 14 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 6% of all reports filed for the 2004 Mazda Mazda6, with 11 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Drivetrain Issues

Drivetrain complaints account for 5% of all reports filed for the 2004 Mazda Mazda6, with 10 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-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

13
04
14
05
7
06
11
07
6
08
8
09
7
10
16
11
12
12
14
13
14
14
28
15
25
16
9
17
4
18
1
19
3
20
1
21
2
23
1
24

Complaints filed with NHTSA by year for the 2004 Mazda Mazda6. Recent trend: decreasing.

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

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

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Recall History (7 recalls)

04V582000Dec 2004

SEAT BELTS:REAR/OTHER

ON CERTAIN PASSENGER VEHICLES, THE RIGHT AND/OR LEFT REAR SEAT BELTS MAY NOT LOCK PROPERLY DUE TO MISSING RETAINING PINS ON THE HOUSING.

09E011000Apr 2009

EQUIPMENT

THULE, INC. IS RECALLING 2,323 OWNER-INSTALLED ROOF-MOUNTED FIT KITS, MODELS 3068 AND 3069, MANUFACTURED BETWEEN JANUARY 1, 2008 AND FEBRUARY 28, 2009 THAT ARE USED WITH THULE PODIUM FOOT PACKS, MODELS 460 AND 460R. THESE FIT KITS WERE SOLD AS AFTERMARKET EQUIPMENT FOR USE ON THE VEHICLES LISTED ABOVE. THE BOLT(S) USED TO SECURE THE FOOT TO THE VEHICLE WAS MANUFACTURED TO A HARDNESS THAT MAY CAUSE THE BOLT(S) TO BE BRITTLE AND POTENTIALLY BREAK UNDER STRESS.

09E012000May 2009

EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

09E025000Jul 2009

EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

17V474000Do Not DriveSep 2017

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Mazda North American Operations (Mazda) is recalling certain model year 2003-2008 Mazda6, 2004-2008 RX-8, and 2006-2007 Mazdaspeed6 vehicles. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible to moisture intrusion and other factors, including manufacturing variability that, over time, could cause the inflator to rupture.

+ 2 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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This is the worst model year for the Mazda Mazda6 according to owner complaint data. The biggest problem area is engine.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 196 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 7 recalls found for this vehicle.

Repair Cost Data

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

Other Mazda Mazda6 Model Years

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View all Mazda Mazda6 years →

2004 Mazda Mazda6: Frequently Asked Questions

What is the most common problem with the 2004 Mazda Mazda6?
The most commonly reported issue with the 2004 Mazda Mazda6 is related to the airbags, with 52 complaints filed with NHTSA.
Is the 2004 Mazda Mazda6 reliable?
The 2004 Mazda Mazda6 has 196 complaints, 14 crash reports, and 8 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 2004 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 2004 Mazda Mazda6 have any recalls?
Yes, the 2004 Mazda Mazda6 has 7 recalls on record. At least one is a critical “Do Not Drive” recall. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mazda Mazda6 problems start?
Based on 122 complaints with mileage data, the median mileage at time of complaint is 66,100 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
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 196 owner reports. Know before you buy.

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