Lexus GS430 owners have reported a total of 35 problems for their cars built in the 8 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Lexus GS430. The 2006 Lexus GS430 cars have the most problems reported (15 problems).
| Model Year | Number of Problems |
|---|---|
| 2007 GS430 | |
| 2006 GS430 | |
| 2005 GS430 | |
| 2004 GS430 | |
| 2003 GS430 | |
| 2002 GS430 | |
| 2001 GS430 | |
| 2000 GS430 |
The following chart shows the 15 most common problems for Lexus GS430 cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (6 problems). The second most common problem is related to the vehicle's vehicle speed control (6 problems).