One problem related to structure has been reported for the 2003 Infiniti QX4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Infiniti QX4 based on all problems reported for the 2003 QX4.
Severe corrosion on factory installed running boards on infinity Qx4 which could collapse causing injury.
| Body problems | |
| Structure problems | |
| Frame And Members problems |