530 problems have been reported for the 2005 Toyota Sequoia. The following chart shows the 24 most common problems for 2005 Toyota Sequoia. The number one most common problem is related to the vehicle's electronic stability control with 95 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (84 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 2005 Toyota Sequoia in the United States are 50,900 units [1]. If the total number of problems reported by Toyota Sequoia owners in the last 19 years is 530, and the age of the vehicle is 19, the PPMY index can then be calculated as
PPMY Index = 530 / 50,900 / 19 * 1000 = 0.55.
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 2005 Toyota Sequoia in 2005.
| Service Year | Number of Problems |
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| 2024 | |
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| 2005 |
When making the decision between buying a new or used Toyota Sequoia, the following table can be used to compare the 2005 Toyota Sequoia with the Toyota Sequoia from other model years. Note that the number of problems reported for the 2005 Sequoia is 530 while the average number of problems reported for the 24 model years of the Toyota Sequoia is 198.