2002 Infiniti Qx4: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"REAR SUSPENSION BOTTOMS OUT WITH 4 ADULTS IN VEHICLE. LOCAL DEALER CONFIRMED ON 01/25/2002. INFINITI WILL NOT CORRECT PROBLEM NOR REFUND PURCHASE.*AK"
"CAR BOTTOMED OUT WITH THREE PASSENGERS - LBS 210,123,115+30LB DOG AND LUGGAGE. HOW CAN AN SUV TOUTED TO HAUL 3500 LB TRAILER, SEAT FIVE, HAVE A LUGGAGE RACK.BOTTOMOUT AT EVERY EXPANSION JOINT FROM HERE TO MAINEAND BACK??? WE WERE NOT CARRYING LEAD OR GOLD IN THE SUIT CASES. CALLED PAT GAUSS AND HE..."
"CAN NOT HEAR TURN SIGNAL INDICATOR.*JB"
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Infiniti Qx4 — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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