2003 Ford Explorer vs 2003 Infiniti QX4
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 7, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2003 Ford Explorer | 2003 Infiniti QX4 |
|---|---|---|
| NHTSA complaints | 1,131 | 20 |
| Recall campaigns | 2 | 3 |
| Service bulletins (TSBs) | 122 | 71 |
| Investigations | 3 | 2 |
| Crash reports | 60 | 2 |
| Fire reports | 10 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 15–17 | 15–16 |
| Median reported incident mileage | 74,000 mi | — |
Reported problems side by side
| Component | Ford Explorer | Infiniti QX4 |
|---|---|---|
| Structure | 354 | 6 |
| Power Train | 335 | 1 |
| Suspension | 63 | 8 |
| Engine and Engine Cooling | 69 | 0 |
| Visibility | 57 | 1 |
| Wheels | 56 | 0 |
| Electrical System | 54 | 0 |
| Air Bags | 50 | 1 |
Symptoms owners describe
| Stalling | 65 | 0 |
| Vibration / shaking | 36 | 0 |
| Rust / corrosion | 31 | 10 |
| Check engine light | 25 | 0 |
| Shifting problems | 22 | 0 |
| Hesitation / surging | 20 | 0 |
| Clunking / rattling | 18 | 0 |
| Loss of power | 7 | 0 |
2003 Ford Explorer
2003 Infiniti QX4
Compare all Ford Explorer vs Infiniti QX4 years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.