1992 Lexus Sc400: Reliability Data

Source: NHTSA — 40 complaints
40
Total Complaints
92,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
7
Crash Reports

When Do Complaints Happen?

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

73,000 25th Percentile
92,000 Median Mileage
189,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
6
EXTERIOR LIGHTING:HEADLIGHTS
5
VEHICLE SPEED CONTROL
4
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
3
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
3
UNKNOWN OR OTHER
3
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
2
INTERIOR LIGHTING
2
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
2
POWER TRAIN
2

Severity Assessment

7
Crashes
1
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"THE BRAKE CALIPERS WERE STICKING, CAUSING A LOUD RUBBING NOISE WHEN THE BRAKES ARE APPLIED. ALSO WHEN THE BRAKES ARE APPLIED THE CAR PULLS TO THE LEFT. DLR REPLACED REAR PADS AND ROTORS. *AK"
"CONSUMER WAS DRIVING ON STREET WHEN CAME TO A STOP SIGN,THE VEHICLE STARTED TO ACCELERATE, CAUSING THE DRIVER TO GO THROUGH ONCOMING TRAFFIC, CAUSING AN ACCIDENT. NO INJURY OCCURRED .DEALER NOTIFIED . *AK"
"WHILE DRIVING VEHICLE 25-35 MPH WENT TO ROLL DOWN PASSENGER'S SIDE WINDOW HEARD NOISE AND DRIVERS SIDE DOOR SWUNG OPEN FOR NO REASON. OWNER ALSO NOTES AFTER PROBLEM OCCURRED DOOR COULD NOT BE OPENED FROM OUTSIDE.CAUSE UNKNOWN. *AK"

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