145 problems have been reported for the 2011 Ford Focus. The following chart shows the 19 most common problems for 2011 Ford Focus. The number one most common problem is related to the vehicle's electrical system with 23 problems. The second most common problem is related to the vehicle's power train (20 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 2011 Ford Focus in the United States are 91,918 units [1]. If the total number of problems reported by Ford Focus owners in the last 14 years is 145, and the age of the vehicle is 14, the PPMY index can then be calculated as
PPMY Index = 145 / 91,918 / 14 * 1000 = 0.11.
For more information, refer to this page: A study of reliability comparison across Ford Focus model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2011 Ford Focus in 2011.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 |
When making the decision between buying a new or used Ford Focus, the following table can be used to compare the 2011 Ford Focus with the Ford Focus from other model years. Note that the number of problems reported for the 2011 Focus is 145 while the average number of problems reported for the 20 model years of the Ford Focus is 1,325.
| Model Year | Number of Problems |
|---|---|
| 2018 Focus | |
| 2017 Focus | |
| 2016 Focus | |
| 2015 Focus | |
| 2014 Focus | |
| 2013 Focus | |
| 2012 Focus | |
| 2011 Focus | |
| 2010 Focus | |
| 2009 Focus | |
| 2008 Focus | |
| 2007 Focus | |
| 2006 Focus | |
| 2005 Focus | |
| 2004 Focus | |
| 2003 Focus | |
| 2002 Focus | |
| 2001 Focus | |
| 2000 Focus | |
| 1999 Focus |