105 problems have been reported for the 2001 Infiniti I30. The following chart shows the 15 most common problems for 2001 Infiniti I30. The number one most common problem is related to the vehicle's suspension with 24 problems. The second most common problem is related to the vehicle's structure (11 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 2001 Infiniti I30 in the United States are 39,168 units [1]. If the total number of problems reported by Infiniti I30 owners in the last 21 years is 105, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 105 / 39,168 / 21 * 1000 = 0.13.
For more information, refer to this page: A study of reliability comparison across Infiniti I30 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2001 Infiniti I30 in 2001.
| Service Year | Number of Problems |
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| 2001 |
When making the decision between buying a new or used Infiniti I30, the following table can be used to compare the 2001 Infiniti I30 with the Infiniti I30 from other model years. Note that the number of problems reported for the 2001 I30 is 105 while the average number of problems reported for the 9 model years of the Infiniti I30 is 37.