19 problems have been reported for the 2009 Volvo S80. The following chart shows the 10 most common problems for 2009 Volvo S80. The number one most common problem is related to the vehicle's wheels with 5 problems. The second most common problem is related to the vehicle's structure (4 problems).
| Problem Category | Number of Problems |
|---|---|
| Wheel | |
| Structure | |
| Seat Belt | |
| Electrical System | |
| Exterior Lighting | |
| Seats | |
| Engine And Engine Cooling | |
| Lane Departure | |
| Gasoline Fuel System | |
| Tire |
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 2009 Volvo S80 in the United States are 7,501 units [1]. If the total number of problems reported by Volvo S80 owners in the last 16 years is 19, and the age of the vehicle is 16, the PPMY index can then be calculated as
PPMY Index = 19 / 7,501 / 16 * 1000 = 0.16.
For more information, refer to this page: A study of reliability comparison across Volvo S80 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Volvo S80 in 2009.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Volvo S80, the following table can be used to compare the 2009 Volvo S80 with the Volvo S80 from other model years. Note that the number of problems reported for the 2009 S80 is 19 while the average number of problems reported for the 18 model years of the Volvo S80 is 72.