14 problems have been reported for the 2009 Mini Cooper Us. The following chart shows the 9 most common problems for 2009 Mini Cooper Us. The number one most common problem is related to the vehicle's engine and engine cooling with 6 problems. The second most common problem is related to the vehicle's tires (1 problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling | |
| Tire | |
| Seat Belt | |
| Equipment | |
| Electrical System | |
| Structure | |
| Air Bag | |
| Power Train | |
| Gasoline Fuel System |
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 Mini Cooper Us in the United States are 7,991 units [1]. If the total number of problems reported by Mini Cooper Us owners in the last 13 years is 14, and the age of the vehicle is 13, the PPMY index can then be calculated as
PPMY Index = 14 / 7,991 / 13 * 1000 = 0.13.
For more information, refer to this page: A study of reliability comparison across Mini Cooper Us model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Mini Cooper Us in 2009.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Mini Cooper Us, the following table can be used to compare the 2009 Mini Cooper Us with the Mini Cooper Us from other model years. Note that the number of problems reported for the 2009 Cooper Us is 14 while the average number of problems reported for the 3 model years of the Mini Cooper Us is 13.
| Model Year | Number of Problems |
|---|---|
| 2011 Cooper Us | |
| 2009 Cooper Us | |
| 2007 Cooper Us |