1990 Infiniti Q45: Reliability Data

Source: NHTSA — 33 complaints
33
Total Complaints
Automatic Transmission
Top Issue
1
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

Automatic Transmission
8
Engine
3
Power Train
3
Rack And Pinion
2
Antilock/Traction Control/Electronic Limited Slip
2
Manual Transmission
2
Glass, Side/Rear
2
Cooling Unit And Lines
1
Front
1
Ignition
1

Severity Assessment

1
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"AUTOMATIC TRANSMISSION COOLER/FILTER FAILED. TT"
"WHEN DRIVING VEHICLE ON UNEVEN PAVEMENT VEHICLE WILL LOOSE ITS STABILITY, SHOULDER BUMP, VEHICLE LOSS VEHICLE STABILITY IMPACT 11:00 POSITION SPEED 65 MPH. TT"
"AUTOMATIC TRANSMISSION FAILURE, THE TRANSMISSION OVERHEATED CAUSING FAILURE. TT"

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

SC: 7 AL: 5 TX: 4 CA: 3 NJ: 3 GA: 2 DC: 2 WA: 2 AR: 1 WI: 1

Who Files Complaints?

18.2%
Original Owners
81.8%
Second+ Owners

Infiniti Q45 — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
1991493
1992346
19944711
2002291
2003201

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