164 problems have been reported for the 2003 Volvo S60. The following chart shows the 23 most common problems for 2003 Volvo S60. The number one most common problem is related to the vehicle's electrical system with 54 problems. The second most common problem is related to the vehicle's engine and engine cooling (21 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 Volvo S60 in the United States are 20,395 units [1]. If the total number of problems reported by Volvo S60 owners in the last 23 years is 164, and the age of the vehicle is 23, the PPMY index can then be calculated as
PPMY Index = 164 / 20,395 / 23 * 1000 = 0.35.
For more information, refer to this page: A study of reliability comparison across Volvo S60 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Volvo S60 in 2003.
| Service Year | Number of Problems |
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| 2026 | |
| 2025 | |
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| 2003 |
When making the decision between buying a new or used Volvo S60, the following table can be used to compare the 2003 Volvo S60 with the Volvo S60 from other model years. Note that the number of problems reported for the 2003 S60 is 164 while the average number of problems reported for the 25 model years of the Volvo S60 is 65.