Total Complaints
1 filings
INFINITI QX4 · model year
2006 INFINITI QX4
1 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2006INFINITIQX4 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2006 QX4 is service brakes with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 7 investigation files overlapping the 2006 QX4. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| SERVICE BRAKES | 1 |
Recent Complaints
20150706SERVICE BRAKES
TL* THE CONTACT OWNS A 2006 INFINITI QX4. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS AND ATTEMPTING TO ENGAGE THE BRAKE PEDAL, THERE WAS AN ABNORMAL NOISE AND THE ANTI-LOCK BRAKES ENGAGED INDEPENDENTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 121,000.
Mileage: 121,000
Compare 2006INFINITIQX4 to Similar Vehicles
NHTSA Investigations
PE23023Preliminary EvaluationClosed
Complete loss of motive power due to engine failure
RQ15001Recall QueryClosed
Occupant Classification System Failure
PE15001Preliminary EvaluationClosed
Improper Frontal Air Bag Deployment
PE14034Preliminary EvaluationClosed
Steering column separation
PE12022Preliminary EvaluationClosed
Collision Mitigation System Malfunction
Frequently Asked Questions
How many complaints does the 2006 INFINITI QX4 have?▼
The 2006 INFINITI QX4 has 1 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2006 INFINITI QX4?▼
The most-complained component for the 2006 INFINITI QX4 is SERVICE BRAKES with 1 complaints. Other frequently reported areas include various components.
Is the 2006 INFINITI QX4 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.