119 problems have been reported for the 2000 Subaru Legacy. The following chart shows the 18 most common problems for 2000 Subaru Legacy. The number one most common problem is related to the vehicle's engine and engine cooling with 18 problems. The second most common problem is related to the vehicle's tires (18 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 2000 Subaru Legacy in the United States are 106,317 units [1]. If the total number of problems reported by Subaru Legacy owners in the last 22 years is 119, and the age of the vehicle is 22, the PPMY index can then be calculated as
PPMY Index = 119 / 106,317 / 22 * 1000 = 0.05.
For more information, refer to this page: A study of reliability comparison across Subaru Legacy model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2000 Subaru Legacy in 2000.
| Service Year | Number of Problems |
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| 2000 |
When making the decision between buying a new or used Subaru Legacy, the following table can be used to compare the 2000 Subaru Legacy with the Subaru Legacy from other model years. Note that the number of problems reported for the 2000 Legacy is 119 while the average number of problems reported for the 27 model years of the Subaru Legacy is 103.