689 problems have been reported for the 2020 Honda Odyssey. The following chart shows the 21 most common problems for 2020 Honda Odyssey. The number one most common problem is related to the vehicle's forward collision avoidance with 159 problems. The second most common problem is related to the vehicle's electrical system (144 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 Honda Odyssey in the United States are 74,907 units [1]. If the total number of problems reported by Honda Odyssey owners in the last 6 years is 689, and the age of the vehicle is 6, the PPMY index can then be calculated as
PPMY Index = 689 / 74,907 / 6 * 1000 = 1.53.
For more information, refer to this page: A study of reliability comparison across Honda Odyssey model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2020 Honda Odyssey in 2020.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 |
When making the decision between buying a new or used Honda Odyssey, the following table can be used to compare the 2020 Honda Odyssey with the Honda Odyssey from other model years. Note that the number of problems reported for the 2020 Odyssey is 689 while the average number of problems reported for the 31 model years of the Honda Odyssey is 499.