1999 Lexus Gs300: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"THE BRAKES HAVE FAILED ON SEVERAL OCCASIONS. THE VEHICLE SPEED IS USUALLY LESS THAN 10 MPH. ON TIME THE CAR WAS AT A COMPLETE STOP WITH MY FOOT ON THE BRAKE. THE CAR MADE A HUMMING NOISE AND THE CAR LURCHED FORWARD INTO THE INTERSECTION. MY FOOT NEVER LEFT THE BRAKE PEDAL. THIS HAS CONTINUED TO ..."
"THERE IS EXCESSIVE VIBRATION WHEN DRIVING FROM 55 TO 75MPH. DEALER HAS SEEN VEHICLE 5 TIMES, AND STILL NO SOLUTION. *AK"
"THERE IS AN EXTENSIVE VIBRATION ON HIGH SPEEDS (50 - 75 MPH). ADDRESSED THIS ISSUE TWICE AT THE TWO DIFFERENT DEALERS. I REQUESTED WHEEL BALANCE AND ALIGNMENT DONE, BUT UNFORTUNATELY NOTHING HELPED. *AK"
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Lexus Gs300 — Other Years
See how this model compares across different model years.
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
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