Total Complaints
5 filings
LEXUS GS430 · model year
5 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003LEXUSGS430 carries 5 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 GS430 is suspension:front with 1 filings, followed by seat belts:rear/other (1) and service brakes, electric (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 3 investigation files overlapping the 2003 GS430. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
5 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SUSPENSION:FRONT | 1 |
| SEAT BELTS:REAR/OTHER | 1 |
| SERVICE BRAKES, ELECTRIC | 1 |
| VEHICLE SPEED CONTROL | 1 |
| ELECTRONIC STABILITY CONTROL (ESC) | 1 |
WHILE THIS VEHICLE WAS NOT INCLUDED IN THE SAFETY REACALL BULLETIN REGARDING UN-INTENDED ACCELERATION, MY VEHICLE NO EXHIBITS THE ISSUE THAT, WHILE IN MOTION, THE BRAKE AND ACCELERATOR PEDALS CAN BE PUSHED SIMULTANEOUSLY, POSSIBLY CAUSING A VEHICLE ACCIDENT. I FEEL MY VIN SHOULD HAVE BEEN PART OF THE SAFETY RECALL LIST.
Mileage: 103,333
TL*THE CONTACT OWNS A 2003 LEXUS GS430. WHILE DRIVING 2 MPH ATTEMPTING TO APPLY THE BRAKES, THE VEHICLE SUDDENLY ACCELERATED WITHOUT WARNING CAUSING THE VEHICLE TO CRASH INTO A CEMENT POLE. THE FRONT FENDER AND HOOD OF THE VEHICLE WERE DAMAGED. THE CONTACT STATED THAT DUE TO THE IMPACT HER NECK AND BODY LUNGED FORWARD DURING THE CRASH; HOWEVER, SHE WAS NOT BRUISED. THE POLICE WAS NOTIFIED; HOWEVER, THE CONTACT DID NOT INDICATE WHETHER A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A BODY SHOP TO BE INSPECTED BY THE INSURANCE COMPANY. THE MANUFACTURER WILL BE NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 54,000.
Mileage: 54,000
TOTAL BRAKES FAILURE TWICE. DEALER WAS NOT ABLE TO IDENTIFY PROBLEM THE FIRST TIME AND THE BRAKES WERE WORKING AGAIN AFTER A FEW SHUTOFFS/RESTARTS OF THE ENGINE. THE SECOND TIME, DEALER CLAIMED THAT IT HAS LOCATED AN "OPEN CIRCUIT IN PUMP MOTOR" - MANY PARTS WERE REPLACED AT $2,550.53. *TR
Mileage: 63,144
REAR CENTER AND THE REAR DRIVER'S SEAT BELT WERE INSTALLED INCORRECTLY BY THE MANUFACTURER. THE ONLY WAY THE SEAT BELTS WILL FASTEN IS IF THEY ARE CRISSCROSSED, AND THEN DEPENDING ON WHO FASTENS THE BELT FIRST, WILL DETERMINE WHICH OCCUPANT WILL BE TRAPPED IN SEAT BELT. *AK
I OWN A 2003 LEXUS GS 430 VEHICLE. DURING THE TIME THAT I HAVE OWNED THIS VEHICLE, I CONTINUE TO EXPERIENCE VIBRATION AND BRAKE AND WHEEL WEAR ON THE FRONT END ASSEMBLY. THE DEALERSHIP HAS ALIGNED THE FRONT END AND CHANGED TIRES, BUT THE PROBLEM IS REPEATING. I BELIEVE THAT THE VEHICLE IS IMPROPERLY DESIGNED EITHER TO ACCEPT 17 IN. TIRES OR TO HANDLE A 4.3 LITER ENGINE. THE DEALERSHIP INSISTS THAT ALL YOU HAVE TO DO IS ROTATE TIRES EVERY 5,000 MILES AND THERE IS NO PROBLEM, BUT THIS IS NOT THE CASE. AS A RESULT OF THE RUN-OUT AND OUT OF BALANCE CONDITION IN THE FRONT END OF THE VEHICLE, THE BRAKING IS UNREPEATABLE, AND, I BELIEVE, CAUSES A SEVER SAFETY CONCERN. THE PROBLEM HAPPENS WITHIN 3,000 TO 4,000 MILES OF AN ALIGNMENT. I BELIEVE THAT THIS PROBLEM IS ENDEMIC TO LEXUS GS 430'S WITH 17 INCH TIRES AND BELIEVE THAT THE DEALERSHIP IS NOT INTERESTED IN CONFRONTING A DESIGN PROBLEM. I AM ASKING THAT THIS BE INVESTIGATED. I ALSO INTEND TO CONTACT TOYOTA DIRECTLY. *LA
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.