1,351 problems have been reported for the 2005 Nissan Altima. The following chart shows the 22 most common problems for 2005 Nissan Altima. The number one most common problem is related to the vehicle's engine and engine cooling with 387 problems. The second most common problem is related to the vehicle's structure (330 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 Nissan Altima in the United States are 373,585 units [1]. If the total number of problems reported by Nissan Altima owners in the last 20 years is 1351, and the age of the vehicle is 20, the PPMY index can then be calculated as
PPMY Index = 1351 / 373,585 / 20 * 1000 = 0.18.
For more information, refer to this page: A study of reliability comparison across Nissan Altima model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2005 Nissan Altima in 2005.
| Service Year | Number of Problems |
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| 2005 |
When making the decision between buying a new or used Nissan Altima, the following table can be used to compare the 2005 Nissan Altima with the Nissan Altima from other model years. Note that the number of problems reported for the 2005 Altima is 1,351 while the average number of problems reported for the 30 model years of the Nissan Altima is 633.