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#BS-2004-INFM45-6BE8

2004 Infiniti M45

Based on reports from 49 owners and 2 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

✅

Preliminary Verdict

Green Light

Based on 49 complaints, 0 crashes, 0 fires, and 2 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Fuel SystemHIGH

26 owners reported fuel system issues — failures commonly reported around 87K miles.

!Inspect the EngineMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 60–90K miles (18 reports) • Median: 87K 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: Fuel System (26 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

Fuel System26 (53%)

Engine8 (16%)

Electrical5 (10%)

Fuel System, Other:storage:fuel Gauge System4 (8%)

Seats3 (6%)

Air Bags:frontal1 (2%)

Air Bags:side/window1 (2%)

Exterior Lighting:brake Lights1 (2%)

2004 Infiniti M45: Known Issues & Problem Areas

Fuel System Issues

Fuel System complaints account for 53% of all reports filed for the 2004 Infiniti M45, with 26 owners filing complaints with NHTSA. The median mileage at time of complaint is 86,500 miles, suggesting issues tend to surface around the 87K-mile mark.

Engine Issues

Engine complaints account for 16% of all reports filed for the 2004 Infiniti M45, with 8 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 10% of all reports filed for the 2004 Infiniti M45, with 5 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Fuel System, Other:storage:fuel Gauge System Issues

Fuel System, Other:storage:fuel Gauge System complaints account for 8% of all reports filed for the 2004 Infiniti M45, with 4 owners filing complaints with NHTSA. Owners should pay attention to fuel system, other:storage:fuel gauge 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

Complaints filed with NHTSA by year for the 2004 Infiniti M45. Recent trend: increasing.

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 (2 recalls)

04V497000Oct 2004

EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

ON CERTAIN PASSENGER VEHICLES, THE BRAKE LAMP SWITCH MAY MALFUNCTION.

12V088000Apr 2012

FUEL SYSTEM, GASOLINE

NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2004 INFINITI M45 VEHICLES MANUFACTURED FROM MARCH 7, 2002, THROUGH JUNE 3, 2004. DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS. AS A RESULT, THE VEHICLE MAY RUN OUT OF GAS WITHOUT NOTICE.

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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The worst model year for the Infiniti M45 is the 2006 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

2004 Infiniti M45 vs. Class Average (Compact Cars)

This vehicle

Class avg

205

Below the class average — fewer complaints than typical compact cars vehicles. A good sign.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 49 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

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

Other Infiniti M45 Model Years

2010 2009 2008 2007 2006 2004 2003

View all Infiniti M45 years →

2004 Infiniti M45: Frequently Asked Questions

What is the most common problem with the 2004 Infiniti M45?

The most commonly reported issue with the 2004 Infiniti M45 is related to the fuel system, with 26 complaints filed with NHTSA.

Is the 2004 Infiniti M45 reliable?

The 2004 Infiniti M45 has 49 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.

How much does it cost to fix 2004 Infiniti M45 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 Infiniti M45 have any recalls?

Yes, the 2004 Infiniti M45 has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Infiniti M45 problems start?

Based on 48 complaints with mileage data, the median mileage at time of complaint is 86,500 miles. The highest concentration of reported issues occurs in the 60–90K 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.