1,518 problems have been reported for the 2021 Ford F-150. The following chart shows the 24 most common problems for 2021 Ford F-150. The number one most common problem is related to the vehicle's power train with 396 problems. The second most common problem is related to the vehicle's electrical system (161 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 2021 Ford F-150 in the United States are 367,221 units [1]. If the total number of problems reported by Ford F-150 owners in the last 5 years is 1518, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 1518 / 367,221 / 5 * 1000 = 0.83.
For more information, refer to this page: A study of reliability comparison across Ford F-150 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Ford F-150 in 2021.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Ford F-150, the following table can be used to compare the 2021 Ford F-150 with the Ford F-150 from other model years. Note that the number of problems reported for the 2021 F-150 is 1,518 while the average number of problems reported for the 31 model years of the Ford F-150 is 1,365.