611 problems have been reported for the 2015 Ford Mustang. The following chart shows the 24 most common problems for 2015 Ford Mustang. The number one most common problem is related to the vehicle's equipment with 80 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (78 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 Ford Mustang in the United States are 118,277 units [1]. If the total number of problems reported by Ford Mustang owners in the last 11 years is 611, and the age of the vehicle is 11, the PPMY index can then be calculated as
PPMY Index = 611 / 118,277 / 11 * 1000 = 0.47.
For more information, refer to this page: A study of reliability comparison across Ford Mustang model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2015 Ford Mustang 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 Ford Mustang, the following table can be used to compare the 2015 Ford Mustang with the Ford Mustang from other model years. Note that the number of problems reported for the 2015 Mustang is 611 while the average number of problems reported for the 31 model years of the Ford Mustang is 306.