5 problems have been reported for the 2005 Lexus SC. The following chart shows the 5 most common problems for 2005 Lexus SC. The number one most common problem is related to the vehicle's service brakes, hydraulic with 1 problem. The second most common problem is related to the vehicle's vehicle speed control (1 problem).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes | |
| Vehicle Speed Control | |
| Tire | |
| Equipment | |
| Air Bag |
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 2005 Lexus SC in the United States are 9,019 units [1]. If the total number of problems reported by Lexus SC owners in the last 17 years is 5, and the age of the vehicle is 17, the PPMY index can then be calculated as
PPMY Index = 5 / 9,019 / 17 * 1000 = 0.03.
For more information, refer to this page: A study of reliability comparison across Lexus SC model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2005 Lexus SC in 2005.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 |
When making the decision between buying a new or used Lexus SC, the following table can be used to compare the 2005 Lexus SC with the Lexus SC from other model years. Note that the number of problems reported for the 2005 SC is 5 while the average number of problems reported for the 7 model years of the Lexus SC is 2.