Problems · NHTSA complaints
2000 Infiniti QX4 problems
Owners filed 31 complaints about the 2000 Infiniti QX4 with NHTSA between Apr 2001 and Mar 2023. The most-cited component is structure (10).
Complaints
31
Filed with NHTSA
Crashes
1
Reported by owners
Fires
1
Reported by owners
Injuries
2
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Structure10
- Suspension10
- Steering5
- Electrical system4
- Fuel/propulsion system3
- Air bags2
- Fuel system, gasoline2
- Vehicle speed control1
- Equipment1
- Power train1
- Engine and engine cooling1
- Other / unknown3
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 7, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
1
2
2
0
0
2
1
1
6
1
1
0
8
2
0
1
1
0
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2001 | 1 |
| 2002 | 0 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 6 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 0 |
| 2015 | 8 |
| 2016 | 2 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Structure
10 reports
“The vehicle is completely rusting underneath and running boards. I was told by Infiniti customer affairs that the recalls had closed for rusted out struts. This impacts driving and can become a safety concern if the struts completely rust away. I'm concerned for my safety or the safety of my family if this failure occurs. The dealerships will not honor a recall that is no longer valid or closed. This is a potential life safety issue.”
Suspension
10 reports
“TL* THE CONTACT OWNS A 2000 INFINITI QX4. THE CONTACT STATED THAT CORROSION OF THE STRUT TOWER HOUSING CAUSED THE POWER STEERING COLUMN TO FRACTURE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE STEERING COLUMN WAS FRACTURED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 195,000.”
Steering
5 reports1 related recall
“SERIOUS CORROSION ON THE FRAME. THE PASSENGER SIDE OF THE VEHICLE WHERE THE CONTROL ARM ATTACHES TO THE FRAME IS COMPLETELY RUSTED OUT JUST BEYOND THE STRUT MOUNT RECALL LOCATION. THE DEALERSHIP DEEMED IT NOT ABLE TO BE FIXED AND WAS TOLD BY BOTH THE DEALERSHIP AND CONSUMER AFFAIRS THAT ITS NOT THEIR PROBLEM. WHILE DRIVING 55 MPH I STARTED HEARING A KNOCKING NOISE IN THE RIGHT FRONT. SOON AFTER THE WHEEL STARTED SHAKING WHILE TURNING LEFT. KNOCKING GOT WORSE AND IT STARTED TO SWAY UNCONTROLLABLY WHILE TURNING. HAD IT TOWED TO DEALERSHIP WHERE IT IS STILL SITTING AND NOT ABLE TO BE DRIVEN. UPDATED 08/29/2017*JS”
Electrical system
4 reports1 related recall
“TL* THE CONTACT OWNS A 2000 INFINITI QX4. THE CONTACT STATED THAT THE GAUGES AND THE LIGHTING ON THE INSTRUMENT PANEL WOULD FAIL ON AN INTERMITTENT BASIS WHEN DRIVING 30 MPH AND ABOVE. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT PROVIDED NO ASSISTANCE. THE FAILURE MILEAGE WAS 87,500.”
Fuel/propulsion system
3 reports
“TL* THE CONTACT OWNS A 2000 INFINITI QX4. THE CONTACT STATED THAT THE VEHICLE'S FRAME WAS COMPLETELY RUSTED AND THE FUEL TANK DID NOT INDICATE WHEN IT WAS AT FULL CAPACITY. AS A RESULT, FUEL WOULD OVERFLOW. THE RUST FAILURE WAS REMEDIED IN 2012. THE VEHICLE WAS TAKEN TO INFINITI OF NORTHERN KENTUCKY (1945 DIXIE HWY, FORT WRIGHT, KY 41011) FOR OTHER REPAIRS; HOWEVER, IT WAS NOT DIAGNOSED FOR THE FUEL FAILURE. THE MANUFACTURER WAS CONTACTED. THE FAILURE MILEAGE WAS UNKNOWN.”
Air bags
2 reports1 crash
“RIDING WITH A CO WORKER COMING FROM BREAKFAST ON VETERANS PARKWAY,1ST DEFAULT WAS FRONT AXLE,2ND DEFAULT AIRBAGS DIDN'T DEPLOYED,SO I'M TELLING THE DRIVER TO SLOW DOWN CAUSE OF THE AXLE HE REFUSES AND HIT THE GUARD RAIL DOING 70MPH HIT 3 TIMES BEFORE STARTED ROLLING OFF GUARD RAIL.WAS HOSPITALIZED”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.