Problems · NHTSA complaints
1999 Infiniti QX4 problems
Owners filed 43 complaints about the 1999 Infiniti QX4 with NHTSA between Sep 1999 and Mar 2022. The most-cited component is steering (14).
Complaints
43
Filed with NHTSA
Crashes
4
Reported by owners
Fires
2
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Steering14
- Suspension14
- Structure8
- Electrical system5
- Fuel system, gasoline5
- Power train3
- Engine and engine cooling3
- Exterior lighting2
- Air bags2
- Visibility2
- Fuel/propulsion system1
- Service brakes1
- Engine1
- Service brakes, hydraulic1
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 6, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
2
2
1
1
1
0
1
0
5
0
3
15
3
0
3
0
0
1
1
1
0
0
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 0 |
| 2006 | 1 |
| 2007 | 0 |
| 2008 | 5 |
| 2009 | 0 |
| 2010 | 3 |
| 2011 | 15 |
| 2012 | 3 |
| 2013 | 0 |
| 2014 | 3 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 2 |
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
Steering
14 reports3 crashes1 related recall
“Accelerating grinding sound in back chassis. Steering is harder than usual. Im not getting the power to accelerate properly all the time. Eventually the problem with salt cause im in Indiana too much salt on roads and i dont think things are sealed completely from manufacturers.”
Suspension
14 reports
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. WHILE DRIVING 55 MPH, THE STEERING WHEEL BECAME DIFFICULT TO TURN. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 11V244000 (STEERING, SUSPENSION). THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE FRONT STRUT HOUSING NEEDED TO BE REPLACED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 160,000. *BF CONSUMER STATED INFINITY CONTACTED AND WAS TOLD THERE WAS NO OPEN CASE FOR HIS VEHICLE FOR MY VEHICLEAS THE RECALL HAD ALREADY BEEN SERVICED IN 2008. I BROUGHT THE CAR IN AND THEY REPAIRED IT COMPLETELY WITH A BRACKET AND FIBERGLASS REPAIR KIT.*JB”
Structure
8 reports
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. THE CONTACT STATED THAT BOTH REAR EXTERIOR AND INTERIOR DOORS FAILED TO OPEN. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR INSPECTION. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.”
Electrical system
5 reports1 crash1 fire
“1. STEREO AMPLIFIER FUSE BLEW. (15 AMP) 2. FUSE REPLACED 3. WHILE DRIVING THE CAR SMELLED SMOKE. 4. ALL DASH LIGHTS AND ELECTRICAL SYSTEM WENT BLACK. 5. SMOKE STARTED COMING FROM UNDER THE DASH BOARD. 6. CAR REMAINED RUNNING, HEAD LIGHTS FUNCTIONED. 7. AFTER TURNING THE CAR OFF, LARGE AMOUNTS OF SMOKE CAME FROM BEHIND AND UNDER THE DASH BOARD. 8. CAR WOULD NOT START AND ALL ELECTRICAL SYSTEM NON RESPONSIVE. 9. INSPECTION OF DASH WIRING HARNESS REVEALED EXTREME MELTING AND DAMAGE TO INTERIOR WIRING HARNESS IN THE AREA OF THE FUSE BOX AND ALL CONNECTIONS TO ELECTRICAL SYSTEMS. 10. VEHICLE IS COMPLETELY INOPERABLE AND AT DEALER FOR INSPECTION AND POSSIBLE REPAIR. 11. COMPLICATION VEHICLE WAS MANUFACTURED FOR NISSAN NORTH AMERICA AND IS NOW REGISTERED AND DRIVEN IN THE MIDDLE EAST (MANAMA, BAHRAIN) NOT SURE IF NISSAN MIDDLE EAST WILL BE AWARE OF ANY RECALLS OR PROBLEMS WITH NORTH AMERICAN SPECIFICATIONS. I AM FROM THE USA AND THE PRESENT OWNER OF THE VEHICLE, SUBMITTED BECAUSE CAR WAS BROUGHT FROM THE USA TO MIDDLE EAST. *TR”
Fuel system, gasoline
5 reports1 crash1 related recall
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT LOST CONTROL OF THE STEERING CAUSING HIM TO CRASH INTO A POLE. THE VEHICLE SUSTAINED DAMAGE TO THE FRONT DRIVER SIDE. THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO AN AUTO SHOP WHERE THE MECHANIC ADVISED THAT THE STEERING SHAFT HAD FRACTURED AND CAUSED THE CONTACT TO LOSE CONTROL OF THE VEHICLE. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 199,000. UPDATED 06/14/2012 *JS”
Power train
3 reports
“TL* THE CONTACT OWNS A 1999 INFINITI QX4. THE CONTACT STATED THAT WHILE DRIVING 55 MPH THE VEHICLE WOULD JERK VIOLENTLY. THE VEHICLE HAD NOT BEEN TAKEN TO THE DEALER. THE MANUFACTURER HAD NOT BEEN MADE AWARE OF THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 112,380.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 6, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.