2004 Infiniti Qx56: Reliability Data

146
Total Complaints
88,000mi
Median Mileage
Service Brakes
Top Issue
7
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

16,500 25th Percentile
88,000 Median Mileage
113,663 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Service Brakes
32
Service Brakes, Hydraulic
17
Electrical System
14
Rotor
9
Air Bags
8
Engine
5
Fuel System, Gasoline
4
Power Adjust
3
Automatic Transmission
3
Steering
3

Severity Assessment

7
Crashes
1
Fires
3
Injuries
0
Deaths

Sample Complaint Reports

"PASSENGER'S AIR BAG TURNS OFF INTERMITTENTLY WHEN CONSUMER'S SPOUSE SITS IN THE PASSENGER SEAT. THE SPOUSE IS 5'7' IN HEIGHT, AND WEIGHS 120 LBS. THE SENSORS ARE DEFECTIVE. HOWEVER, THE MANUFACTURER IS TELLING THE OWNER THERE IS NOTHING THEY CAN DO. *AK"
"PROBLEMS WITH PASSENGER SIDE AIR BAG.*MR SINCE THE VEHICLE WAS NEW THE PASSENGER AIR BAG DEACTIVATION INDICATOR LIGHT HAS ILLUMINATED ON THE DASH INTERMITTENTLY. THE REAR LIFT GATE SENSOR WOULD BEEP WHILE DRIVING. THE DEALER WAS ABLE TO DUPLICATE THE PROBLEM BUT COULD NOT OFFER AN IMMEDIATE SOL..."
"PROBLEMS WITH PASSENGER SIDE AIR BAG.*MR SINCE THE VEHICLE WAS NEW THE PASSENGER AIR BAG DEACTIVATION INDICATOR LIGHT HAS ILLUMINATED ON THE DASH INTERMITTENTLY. THE REAR LIFT GATE SENSOR WOULD BEEP WHILE DRIVING. THE DEALER WAS ABLE TO DUPLICATE THE PROBLEM BUT COULD NOT OFFER AN IMMEDIATE SOL..."

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.

Service Brakes 32 complaints
25th: 69,500 mi Median: 100,955 mi 75th: 118,750 mi
Service Brakes, Hydraulic 17 complaints
25th: 51,500 mi Median: 87,500 mi 75th: 101,500 mi
Electrical System 14 complaints
25th: 62,736 mi Median: 100,212 mi 75th: 131,750 mi
Rotor 9 complaints
25th: 4,000 mi Median: 5,000 mi 75th: 6,716 mi
Air Bags 8 complaints
25th: 78,500 mi Median: 88,067 mi 75th: 111,831 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 47 TX: 13 SC: 10 FL: 9 NY: 8 NC: 6 IL: 6 WA: 5 GA: 5 NJ: 5

Who Files Complaints?

25.3%
Original Owners
74.7%
Second+ Owners

Infiniti Qx56 — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
20051001
20061000
2007280
2008735
2010322
2011940
2012711
2013436

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