421 problems have been reported for the 2020 Tesla Model Y. The following chart shows the 22 most common problems for 2020 Tesla Model Y. The number one most common problem is related to the vehicle's forward collision avoidance with 104 problems. The second most common problem is related to the vehicle's equipment (47 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 2020 Tesla Model Y in the United States are 48,014 units [1]. If the total number of problems reported by Tesla Model Y owners in the last 5 years is 421, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 421 / 48,014 / 5 * 1000 = 1.75.
For more information, refer to this page: A study of reliability comparison across Tesla Model Y model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2020 Tesla Model Y in 2020.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 |
When making the decision between buying a new or used Tesla Model Y, the following table can be used to compare the 2020 Tesla Model Y with the Tesla Model Y from other model years. Note that the number of problems reported for the 2020 Model Y is 421 while the average number of problems reported for the 7 model years of the Tesla Model Y is 720.
| Model Year | Number of Problems |
|---|---|
| 2026 Model Y | |
| 2025 Model Y | |
| 2024 Model Y | |
| 2023 Model Y | |
| 2022 Model Y | |
| 2021 Model Y | |
| 2020 Model Y |