60 problems have been reported for the 2006 Lexus GS. The following chart shows the 17 most common problems for 2006 Lexus GS. The number one most common problem is related to the vehicle's engine and engine cooling with 9 problems. The second most common problem is related to the vehicle's visibility (8 problems).
In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2006 Lexus GS in the United States are 51,221 units [1]. If the total number of problems reported by Lexus GS owners in the last 19 years is 60, and the age of the vehicle is 19, the PPMY index can then be calculated as
PPMY Index = 60 / 51,221 / 19 * 1000 = 0.06.
For more information, refer to this page: A study of reliability comparison across Lexus GS model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2006 Lexus GS in 2006.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
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| 2006 |
When making the decision between buying a new or used Lexus GS, the following table can be used to compare the 2006 Lexus GS with the Lexus GS from other model years. Note that the number of problems reported for the 2006 GS is 60 while the average number of problems reported for the 22 model years of the Lexus GS is 8.