"How reliable is the 1993 Lexus Ls400?"

"Based on 83 NHTSA complaints, the 1993 Lexus Ls400 has a median complaint mileage of 110900 miles. The most common issue is Electrical System."

"What are common problems with the 1993 Lexus Ls400?"

"The most frequently reported component in NHTSA complaints for the 1993 Lexus Ls400 is Electrical System, accounting for a significant portion of the 83 total complaints filed."

1993 Lexus Ls400: Reliability Data

Source: NHTSA — 83 complaints

Total Complaints

110,900mi

Median Mileage

Electrical System

Top Issue

Crash Reports

When Do Complaints Happen?

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

80,125 25th Percentile

110,900 Median Mileage

153,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Electrical System

Instrument Cluster/Panel

Interior/Under Dash

Vehicle Speed Control

Fuel Gauge System

Interior Lighting

Power Train

Frontal

Tread/Belt

Exterior Lighting

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"HAD A FRONTAL COLLISION, AIR BAG DID NOT DEPLOY. TT"

"VEHICLE WAS AT COMPLETE STOP, AT SPEED 20MPH APLLIED THE BRAKES, EXPERIENCE BRAKE LOCKUP VEHICLE PULL VERY HARD TO RIGHT IMPACT 1:00 POSITION. TT"

"DRIVING WHILE IT WAS RAINING THE VEHICLE SPINNED AROUND AND HIT THE GUARD RAIL, THE AIR BAG DID NOT DEPLOY. *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.

Electrical System 24 complaints

25th: 83,250 mi Median: 113,500 mi 75th: 158,750 mi

Instrument Cluster/Panel 13 complaints

25th: 108,850 mi Median: 118,500 mi 75th: 139,750 mi

Interior/Under Dash 7 complaints

25th: 88,000 mi Median: 97,000 mi 75th: 103,440 mi

Vehicle Speed Control 5 complaints

Median: 165,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 20 TX: 12 FL: 7 NJ: 6 TN: 6 OH: 3 DC: 3 IN: 3 CO: 3 DE: 2

Who Files Complaints?

13.3%

Original Owners

86.7%

Second+ Owners

Lexus Ls400 — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1990	36	120,000	Frontal	6
1991	27	-	Antilock/Traction Control/Electronic Limited Slip	7
1994	74	90,000	Electrical System	3
1995	47	120,000	Seat Belts	4
1996	24	116,000	Unknown Or Other	4
1997	23	198,000	Vehicle Speed Control	5
1998	52	110,700	Vehicle Speed Control	8
1999	27	89,000	Vehicle Speed Control	8

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