19 problems have been reported for the 2005 Infiniti FX45. The following chart shows the 13 most common problems for 2005 Infiniti FX45. The number one most common problem is related to the vehicle's air bags with 4 problems. The second most common problem is related to the vehicle's electrical system (2 problems).
The following chart shows the number of problems reported during each of the service years since the debut of the 2005 Infiniti FX45 in 2005.
| Service Year | Number of Problems |
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| 2022 | |
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| 2005 |
When making the decision between buying a new or used Infiniti FX45, the following table can be used to compare the 2005 Infiniti FX45 with the Infiniti FX45 from other model years. Note that the number of problems reported for the 2005 FX45 is 19 while the average number of problems reported for the 7 model years of the Infiniti FX45 is 12.