73 problems have been reported for the 2015 Mini Cooper. The following chart shows the 15 most common problems for 2015 Mini Cooper. The number one most common problem is related to the vehicle's engine and engine cooling with 15 problems. The second most common problem is related to the vehicle's fuel system, other (11 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 2015 Mini Cooper in the United States are 3,426 units [1]. If the total number of problems reported by Mini Cooper owners in the last 11 years is 73, and the age of the vehicle is 11, the PPMY index can then be calculated as
PPMY Index = 73 / 3,426 / 11 * 1000 = 1.94.
For more information, refer to this page: A study of reliability comparison across Mini Cooper model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2015 Mini Cooper in 2015.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
When making the decision between buying a new or used Mini Cooper, the following table can be used to compare the 2015 Mini Cooper with the Mini Cooper from other model years. Note that the number of problems reported for the 2015 Cooper is 73 while the average number of problems reported for the 26 model years of the Mini Cooper is 108.