The most-reported QX4 run is JNRAR05Y1VW (1997 builds) with 5 complaints, 2.4× the typical run. Suspension problems make up 32% of reports; 1997 is the worst model year at 3.2 complaints per run; NHTSA lists 9 recall campaigns for QX4 model years 1997–2003.
Which build runs owners report most
A production run is the first 11 characters of the VIN: plant, model year, body and engine. The Infiniti QX4 has 104 of them on record. The five runs at the top of this table hold 11% of every QX4 complaint on file.
| Production run (VIN 1–11) | Year | Complaints | Involved a crash | Fire |
|---|---|---|---|---|
| JNRAR05Y1VW•••••• | 1997 | 1 | — | |
| JNRAR05Y5VW•••••• | 1997 | 1 | — | |
| JNRAR05Y4VW•••••• | 1997 | 1 | — | |
| JNRAR05Y7WW•••••• | 1998 | 1 | — | |
| JNRAR05Y8VW•••••• | 1997 | — | — | |
| JNRAR05Y8XW•••••• | 1999 | — | 1 | |
| JNRAR05Y0VW•••••• | 1997 | 2 | — | |
| JNRAR05Y3VW•••••• | 1997 | — | — | |
| JNRAR07Y5YW•••••• | 2000 | — | — | |
| JNRAR07Y1YW•••••• | 2000 | — | — | |
| JNRAR07Y6XW•••••• | 1999 | — | 1 | |
| JNRDR07Y21W•••••• | 2001 | — | — |
Each of the other 92 QX4 runs has 4 complaints or fewer.
Which model years to check twice
Complaints per production run, so a year that simply sold more does not top the list. On the Infiniti QX4 the gap between build years is 1.8×: a 1997 car draws 3.2 complaints per run, a 2001 one 1.8.
| Year | Per run | Complaints | Runs | Crashes |
|---|---|---|---|---|
| 2003 | 17 | 9 | 2 | |
| 2002 | 31 | 15 | 5 | |
| 2001 | 52 | 29 | 7 | |
| 2000 | 24 | 12 | — | |
| 1999 | 38 | 17 | 3 | |
| 1998 | 26 | 11 | 5 | |
| 1997 | 35 | 11 | 6 |
Heaviest year here is 1997 at 3.2 complaints per run; lightest is 2001 at 1.8.
What to inspect on this car
One system accounts for 32% of everything Infiniti QX4 owners report: Suspension, 77 of 223 complaints. Start the pre-purchase inspection there.
| System | Complaints | Involved a crash | Fire |
|---|---|---|---|
| Suspension | 5 | — | |
| Steering | 7 | — | |
| Structure | — | — | |
| Fuel System | 2 | — | |
| Gasoline | 2 | — | |
| Vehicle Speed Control | 6 | — | |
| Engine And Engine Cooling | 2 | 1 | |
| Air Bags | 8 | — |
Recalls to check against your VIN
NHTSA has 9 recall campaigns on the Infiniti QX4; the 6 below cover build years 1997 to 2003. These are for the model and year; whether one is still open on a given car, only that VIN can tell.
| Campaign | Component | Model years |
|---|---|---|
| 11V244000 | Steering:column | 1997–2003 |
| 07V435000 | Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap | 1997–2001 |
| 20V008000 | Air Bags:frontal:passenger Side:inflator Module | 2002–2003 |
| 15V287000 | Air Bags | 2002–2003 |
| 22E066000 | Air Bags:frontal:driver Side:inflator Module | 2002–2003 |
| 00V410000 | Electrical System:ignition | 2000–2001 |
11V244000 was opened in 2011 on cars built from 1997: 14 years on the road before the recall.
The QX4 against its rivals
The QX4 draws 2.1 complaints per production run; the Isuzu Rodeo 3.4 and the Mitsubishi Montero Sport 1.4.
| Model | Complaints | Runs | Per run | Involved a crash |
|---|---|---|---|---|
| Infiniti QX4 | 223 | 104 | 12.6% | |
| Isuzu Rodeo | 1,577 | 463 | 9.4% | |
| Mitsubishi Montero Sport | 264 | 190 | 15.9% |
How serious were they
Of the 223 reports on the Infiniti QX4, 12.6% involved a crash against 5.8% across all vehicles, above the norm.
| Outcome | Infiniti QX4 | All vehicles |
|---|---|---|
| Complaints filed | 223 | 1,115,966 |
| Involved a crash | 28 (12.6%) | 64,194 (5.8%) |
| Involved a fire | 2 (0.9%) | 26,974 (2.4%) |
| Injuries reported | 17 | 58,013 |
| Deaths reported | 1 | 2,728 |
Crash-related reports run 117% above the all-vehicle rate.
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How this check works
The file behind this page holds 1,115,966 complaints filed with NHTSA between 1981 and 2026, across 298,921 production runs. The Infiniti QX4 share of that is 223 complaints over 104 runs, 0.02% of everything on record.
Frequently asked questions
How do I check a Infiniti QX4 VIN for free?
Enter the 17 characters above. ForCar matches the first eleven, the production run, against 223 NHTSA complaints from 104 QX4 runs and 9 recall campaigns. No account, no card.
Which QX4 production run has the most complaints?
JNRAR05Y1VW, a 1997 build, with 5 complaints, 1 of them after a crash. The typical QX4 run has 2.1.
Which QX4 years have the most complaints?
Per production run, 1997 is heaviest at 3.2 complaints per run and 2001 lightest at 1.8.
Does the QX4 get more complaints than the Isuzu Rodeo?
No: 2.1 complaints per production run for the QX4 against 3.4 for the Isuzu Rodeo.
How many QX4 complaints involve a crash?
12.6% of 223 reports, against 5.8% across all vehicles; 2 involved a fire.
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