31 problems have been reported for the 2018 Toyota Sequoia. The following chart shows the 16 most common problems for 2018 Toyota Sequoia. The number one most common problem is related to the vehicle's electrical system with 7 problems. The second most common problem is related to the vehicle's equipment (6 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 2018 Toyota Sequoia in the United States are 11,298 units [1]. If the total number of problems reported by Toyota Sequoia owners in the last 8 years is 31, and the age of the vehicle is 8, the PPMY index can then be calculated as
PPMY Index = 31 / 11,298 / 8 * 1000 = 0.34.
For more information, refer to this page: A study of reliability comparison across Toyota Sequoia model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2018 Toyota Sequoia in 2018.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 |
When making the decision between buying a new or used Toyota Sequoia, the following table can be used to compare the 2018 Toyota Sequoia with the Toyota Sequoia from other model years. Note that the number of problems reported for the 2018 Sequoia is 31 while the average number of problems reported for the 25 model years of the Toyota Sequoia is 193.