148 problems have been reported for the 2003 Jaguar S-type. The following chart shows the 22 most common problems for 2003 Jaguar S-type. The number one most common problem is related to the vehicle's service brakes, hydraulic with 21 problems. The second most common problem is related to the vehicle's power train (18 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 2003 Jaguar S-type in the United States are 22,634 units [1]. If the total number of problems reported by Jaguar S-type owners in the last 23 years is 148, and the age of the vehicle is 23, the PPMY index can then be calculated as
PPMY Index = 148 / 22,634 / 23 * 1000 = 0.28.
For more information, refer to this page: A study of reliability comparison across Jaguar S-type model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Jaguar S-type in 2003.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 |
When making the decision between buying a new or used Jaguar S-type, the following table can be used to compare the 2003 Jaguar S-type with the Jaguar S-type from other model years. Note that the number of problems reported for the 2003 S-type is 148 while the average number of problems reported for the 9 model years of the Jaguar S-type is 72.
| Model Year | Number of Problems |
|---|---|
| 2008 S-type | |
| 2007 S-type | |
| 2006 S-type | |
| 2005 S-type | |
| 2004 S-type | |
| 2003 S-type | |
| 2002 S-type | |
| 2001 S-type | |
| 2000 S-type |