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#BS-2003-INFM45-6BE82003 Infiniti M45
Based on reports from 178 owners and 2 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 178 complaints, 0 crashes, 0 fires, and 2 recalls.
Top reported problems
exhaust manifold cracked
2 complaints • Severity 4/10
air bag malfunction light on
2 complaints • Severity 4/10
drivers seat broke while driving
1 complaints • Severity 10/10
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Mechanic Inspection Checklist
76 owners reported fuel system issues — failures commonly reported around 95K miles.
Failure Timeline by Mileage
Peak failure range: 60–90K miles (40 reports) • Median: 95K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Fuel System (76 reports).
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
Where the complaints fall
2003 Infiniti M45: Known Issues & Problem Areas
Fuel System Issues
Fuel System complaints account for 43% of all reports filed for the 2003 Infiniti M45, with 76 owners filing complaints with NHTSA. The median mileage at time of complaint is 95,000 miles, suggesting issues tend to surface around the 95K-mile mark.
Engine Issues
Engine complaints account for 20% of all reports filed for the 2003 Infiniti M45, with 36 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 12% of all reports filed for the 2003 Infiniti M45, with 22 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 3% of all reports filed for the 2003 Infiniti M45, with 6 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 2003 Infiniti M45. Recent trend: stable.



Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (2 recalls)
ENGINE AND ENGINE COOLING
ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.
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.
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.
2003 Infiniti M45 vs. Class Average (Compact Cars)
This vehicle
178
Class avg
231
Complaint volume is roughly in line with other compact cars vehicles from 2003.
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. 178 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.
2003 Infiniti M45: Frequently Asked Questions
What is the most common problem with the 2003 Infiniti M45?
Is the 2003 Infiniti M45 reliable?
How much does it cost to fix 2003 Infiniti M45 problems?
Does the 2003 Infiniti M45 have any recalls?
What mileage do Infiniti M45 problems start?
What’s in the full report?
How is this different from free NHTSA data?
How is this different from Carfax?
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Get the Full 2003 Infiniti M45 Report
10 sections of AI analysis based on 178 owner reports. Know before you buy.