216 problems have been reported for the 2005 Nissan Sentra. The following chart shows the 19 most common problems for 2005 Nissan Sentra. The number one most common problem is related to the vehicle's engine and engine cooling with 84 problems. The second most common problem is related to the vehicle's air bags (21 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 Sentra in the United States are 119,343 units [1]. If the total number of problems reported by Nissan Sentra owners in the last 18 years is 216, and the age of the vehicle is 18, the PPMY index can then be calculated as
PPMY Index = 216 / 119,343 / 18 * 1000 = 0.10.
For more information, refer to this page: A study of reliability comparison across Nissan Sentra 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 Sentra in 2005.
| Service Year | Number of Problems |
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| 2005 |
When making the decision between buying a new or used Nissan Sentra, the following table can be used to compare the 2005 Nissan Sentra with the Nissan Sentra from other model years. Note that the number of problems reported for the 2005 Sentra is 216 while the average number of problems reported for the 27 model years of the Nissan Sentra is 227.