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#BS-2003-INFQX4-7CE22003 Infiniti Qx4
Based on reports from 25 owners and 4 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 25 complaints, 2 crashes, 0 fires, and 4 recalls.
Top reported problems
excessive oil consumption
2 complaints • Severity 6/10
severe corrosion of running boards
1 complaints • Severity 10/10
head gasket failed
1 complaints • Severity 8/10
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Mechanic Inspection Checklist
3 owners reported suspension:front:macpherson strut issues — failures commonly reported around 123K miles.
Failure Timeline by Mileage
Peak failure range: 150K+ miles (6 reports) • Median: 123K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Suspension:front:macpherson Strut (3 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 Qx4: Known Issues & Problem Areas
Suspension:front:macpherson Strut Issues
Suspension:front:macpherson Strut complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. The median mileage at time of complaint is 123,000 miles, suggesting issues tend to surface around the 123K-mile mark.
Suspension Issues
Suspension complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.
Suspension:front Issues
Suspension:front complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. Owners should pay attention to suspension:front-related symptoms during test drives and pre-purchase inspections.
Structure:body Issues
Structure:body complaints account for 12% of all reports filed for the 2003 Infiniti Qx4, with 3 owners filing complaints with NHTSA. Owners should pay attention to structure:body-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 Qx4. Recent trend: decreasing.



Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
SUSPENSION:FRONT
NISSAN IS RECALLING CERTAIN MODEL YEAR 1996-2004 PATHFINDER AND MODEL YEAR 1997-2003 INFINITI QX4 VEHICLES ORIGINALLY SOLD, OR CURRENTLY REGISTERED IN, CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. IN AREAS OF THE COUNTRY IN WHICH HEAVY CONCENTRATIONS OF ROAD SALT ARE USED, A MIXTURE OF SNOW/WATER AND SALT MAY ENTER AN ASSEMBLY LOCATION HOLE IN THE UPPER STRUT HOUSING, CAUSING WATER TO COLLECT AT THE MATING SURFACE OF THE STRUT HOUSING PANEL AND THE INNER HOOD LEDGE ASSEMBLY. OVER TIME, THIS SNOW/WATER AND SALT INTRUSION MAY RESULT IN CORROSION OF THE STRUT TOWER HOUSING IN SOME SUBJECT VEHICLES.
AIR BAGS
Nissan North America, Inc. (Nissan) is recalling certain model year 2001-2003 Nissan Maxima, 2002-2004 Pathfinder, 2002-2006 Sentra, 2002-2003 Infiniti QX4 and I35, 2003 FX35 and FX45, and 2001 I30 vehicles. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003 Inifiniti QX4, 2003-2008 Infiniti FX35 and FX45 and 2006-2010 M35 and M45 vehicles. The vehicles are equipped with non-desiccated, frontal passenger air bag inflators containing phase stabilized ammonium nitrate (PSAN) propellant that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Nissan North America, Inc. (Nissan) is recalling certain air bag inflator replacement service parts that may have been installed as part of a theft or collision repair. The parts include certain passenger-side air bag inflators designed to fit Infiniti 2002-2003 QX4, 2006-2010 M35 and M45; Nissan 2001-2003 Maxima, 2002-2006 Sentra, and both driver and passenger-side inflators designed to fit 2007-2012 Versa Sedan and Versa Hatchback vehicles. Please see Nissan's recall report for the specific part numbers. These replacement inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
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 Qx4 is the 2002 — worth knowing if you're cross-shopping years. The biggest problem area is engine.
2003 Infiniti Qx4 vs. Class Average (Sport Utility Vehicle - 2WD)
This vehicle
25
Class avg
343
Below the class average — fewer complaints than typical sport utility vehicle - 2wd 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. 25 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
2003 Infiniti Qx4: Frequently Asked Questions
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10 sections of AI analysis based on 25 owner reports. Know before you buy.