133 problems have been reported for the 2021 Ford Ranger. The following chart shows the 18 most common problems for 2021 Ford Ranger. The number one most common problem is related to the vehicle's power train with 42 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (14 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 Ranger in the United States are 92,798 units [1]. If the total number of problems reported by Ford Ranger owners in the last 5 years is 133, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 133 / 92,798 / 5 * 1000 = 0.29.
For more information, refer to this page: A study of reliability comparison across Ford Ranger 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 Ranger in 2021.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Ford Ranger, the following table can be used to compare the 2021 Ford Ranger with the Ford Ranger from other model years. Note that the number of problems reported for the 2021 Ranger is 133 while the average number of problems reported for the 28 model years of the Ford Ranger is 258.