100 problems have been reported for the 2001 Mercury Cougar. The following chart shows the 17 most common problems for 2001 Mercury Cougar. The number one most common problem is related to the vehicle's fuel system, gasoline with 19 problems. The second most common problem is related to the vehicle's engine and engine cooling (12 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 2001 Mercury Cougar in the United States are 25,904 units [1]. If the total number of problems reported by Mercury Cougar owners in the last 21 years is 100, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 100 / 25,904 / 21 * 1000 = 0.18.
For more information, refer to this page: A study of reliability comparison across Mercury Cougar model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2001 Mercury Cougar in 2001.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
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| 2004 | |
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| 2002 | |
| 2001 |
When making the decision between buying a new or used Mercury Cougar, the following table can be used to compare the 2001 Mercury Cougar with the Mercury Cougar from other model years. Note that the number of problems reported for the 2001 Cougar is 100 while the average number of problems reported for the 7 model years of the Mercury Cougar is 204.
| Model Year | Number of Problems |
|---|---|
| 2002 Cougar | |
| 2001 Cougar | |
| 2000 Cougar | |
| 1999 Cougar | |
| 1998 Cougar | |
| 1997 Cougar | |
| 1996 Cougar |