"How reliable is the 2003 Infiniti Fx45?"

"Based on 34 NHTSA complaints, the 2003 Infiniti Fx45 has a median complaint mileage of 52045 miles. The most common issue is AIR BAGS."

"What are common problems with the 2003 Infiniti Fx45?"

"The most frequently reported component in NHTSA complaints for the 2003 Infiniti Fx45 is AIR BAGS, accounting for a significant portion of the 34 total complaints filed."

2003 Infiniti Fx45: Reliability Data

Source: NHTSA — 34 complaints

Total Complaints

52,045mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

28,500 25th Percentile

52,045 Median Mileage

124,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

STRUCTURE

EXTERIOR LIGHTING

UNKNOWN OR OTHER

POWER TRAIN:AUTOMATIC TRANSMISSION

FUEL/PROPULSION SYSTEM

VISIBILITY:WINDSHIELD

POWER TRAIN:DRIVELINE:DRIVESHAFT

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

SEATS:FRONT ASSEMBLY:POWER ADJUST

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"WHILE TRAVELING AT HIGHWAY SPEED (70) ON THE FLORIDA TPKE THE CAR DOWN SHIFTED TO LOW GEAR ON ITS OWN. THIS CAUSED A SUDDEN SLOWDOWN, AND I WAS ALMOST REARENDED BY A FOLLOWING 18 WHEELER. AFTER RETURNING UNIT TO DEALER FOR CORRECTION THIS HAPPENED AGAIN AT THE GARDENS MALL IN PALM BEACH GARDENS A FE..."

"I AM REPORTING A DEFECT WITH THE FX WINDSHILEDS. THEY MAY HAVE BEEN MISINSTALLED BECAUSE TODAY I NOTICED A 12" CRACK IN MY WINDSHILED WHICH STARTED IN THE PASSENGER SIDE PILLAR. I HAVE CONTACTED INFINITI AND THEY SAID THEY ARE NOT AWARE OF ANY ISSUES WITH THE FX WINDSHILED. YET ON THE INFINITI WE..."

"WAS SITTING IN TRAFFIC AND CAR CUT OFF AND WOULD NOT RESTART AT ALL, HAD TO CALL INFINITI TO HAVE IT TOWED. *JB"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28