119 problems have been reported for the 2006 Mercury Montego. The following chart shows the 18 most common problems for 2006 Mercury Montego. The number one most common problem is related to the vehicle's power train with 28 problems. The second most common problem is related to the vehicle's engine and engine cooling (23 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 2006 Mercury Montego in the United States are 19,473 units [1]. If the total number of problems reported by Mercury Montego owners in the last 20 years is 119, and the age of the vehicle is 20, the PPMY index can then be calculated as
PPMY Index = 119 / 19,473 / 20 * 1000 = 0.31.
For more information, refer to this page: A study of reliability comparison across Mercury Montego model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2006 Mercury Montego in 2006.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 |
When making the decision between buying a new or used Mercury Montego, the following table can be used to compare the 2006 Mercury Montego with the Mercury Montego from other model years. Note that the number of problems reported for the 2006 Montego is 119 while the average number of problems reported for the 4 model years of the Mercury Montego is 88.
| Model Year | Number of Problems |
|---|---|
| 2007 Montego | |
| 2006 Montego | |
| 2005 Montego | |
| 2004 Montego |