2004 Lexus Is 300: Reliability Data

Source: NHTSA — 23 complaints
23
Total Complaints
58,400mi
Median Mileage
STRUCTURE
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

40,000 25th Percentile
58,400 Median Mileage
123,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STRUCTURE
3
VEHICLE SPEED CONTROL
3
UNKNOWN OR OTHER
3
AIR BAGS
2
TIRES
2
ENGINE
2
VISIBILITY:WINDSHIELD
1
AIR BAGS:FRONTAL
1
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
1
SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
1

Severity Assessment

3
Crashes
0
Fires
3
Injuries
0
Deaths

Sample Complaint Reports

"WHILE DRIVING IN INCLEMENT WEATHER THE VEHICLE REAR TRACTION MALFUNCTIONED WHICH RESULTED IN FREQUENT SPINOUTS AND A SUBSEQUENT COLLISION WITH ANOTHER VEHICLE. *NM (2004 LEXUS IS300) THE CONSUMER STATED THE TIRES ON THE VEHICLE PERFORMED POORLY AND SHOULD NOT HAVE BEEN PLACED ON THE VEHICLE. *JB..."
"ONE WEEKEND I CHECKED ON MY TIRE WEAR, AND NOTICE THE FRONT TIRES ON MY CAR WAS WEARING OUT UNEVENLY, LIKE THE ALIGNMENT WAS OFF, I BROUGHT IT TO THE LEXUS DEALER AND THEY TOLD ME IT WAS A NORMAL WEAR. THE LEXUS FACTORY TOLD ME IT IS HOW THE CAR IS SET UP. *JB"
"DT*: THE CONTACT STATED THE BRAKE AND ACCELERATOR PEDALS WERE MADE OF CHROME PLATES THAT CAUSED THE DRIVER TO SLIP OFF THE PEDALS DURING NORMAL ROAD CONDITIONS. THE NATURE OF THE FAILURE WAS PERMANENT. THE MANUFACTURER REFUSED TO REPAIR OR REPLACE THE CHROME PLATED PEDALS. UPDATED 11/30/2006 - THE ..."

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