"How reliable is the 1998 Lexus Gs400?"

"Based on 41 NHTSA complaints, the 1998 Lexus Gs400 has a median complaint mileage of 78000 miles. The most common issue is AIR BAGS:FRONTAL."

"What are common problems with the 1998 Lexus Gs400?"

"The most frequently reported component in NHTSA complaints for the 1998 Lexus Gs400 is AIR BAGS:FRONTAL, accounting for a significant portion of the 41 total complaints filed."

1998 Lexus Gs400: Reliability Data

Source: NHTSA — 41 complaints

Total Complaints

78,000mi

Median Mileage

AIR BAGS:FRONTAL

Top Issue

Crash Reports

When Do Complaints Happen?

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

71,980 25th Percentile

78,000 Median Mileage

121,450 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS:FRONTAL

VEHICLE SPEED CONTROL

TIRES

SEAT BELTS:FRONT:RETRACTOR

ENGINE AND ENGINE COOLING:ENGINE

SERVICE BRAKES

AIR BAGS

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"CONSUMER SAYS THAT THERE IS ANY OPTION ON LARGER OR SMALLER TIRES.THE LARGER TIRES MAKE THE STEERING STIFF ON TURNS. DEALER HAS BEEN CONTACTED. *AK"

"ANTI SKID SENSOR FAILED. NLM"

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