201 problems have been reported for the 2020 Nissan Leaf. The following chart shows the 13 most common problems for 2020 Nissan Leaf. The number one most common problem is related to the vehicle's electrical system with 111 problems. The second most common problem is related to the vehicle's fuel system, other (29 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 Nissan Leaf in the United States are 10,027 units [1]. If the total number of problems reported by Nissan Leaf owners in the last 6 years is 201, and the age of the vehicle is 6, the PPMY index can then be calculated as
PPMY Index = 201 / 10,027 / 6 * 1000 = 3.34.
For more information, refer to this page: A study of reliability comparison across Nissan Leaf model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2020 Nissan Leaf in 2020.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 |
When making the decision between buying a new or used Nissan Leaf, the following table can be used to compare the 2020 Nissan Leaf with the Nissan Leaf from other model years. Note that the number of problems reported for the 2020 Leaf is 201 while the average number of problems reported for the 17 model years of the Nissan Leaf is 82.