99 problems have been reported for the 2006 Infiniti QX56. The following chart shows the 10 most common problems for 2006 Infiniti QX56. The number one most common problem is related to the vehicle's service brakes, hydraulic with 58 problems. The second most common problem is related to the vehicle's power train (7 problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes | |
| Power Train | |
| Electrical System | |
| Engine And Engine Cooling | |
| Equipment | |
| Other Fuel System | |
| Exterior Lighting | |
| Suspension | |
| Electronic Stability Control | |
| Air Bag |
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 2006 Infiniti QX56 in the United States are 13,441 units [1]. If the total number of problems reported by Infiniti QX56 owners in the last 17 years is 99, and the age of the vehicle is 17, the PPMY index can then be calculated as
PPMY Index = 99 / 13,441 / 17 * 1000 = 0.43.
For more information, refer to this page: A study of reliability comparison across Infiniti QX56 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2006 Infiniti QX56 in 2006.
| Service Year | Number of Problems |
|---|---|
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 |
When making the decision between buying a new or used Infiniti QX56, the following table can be used to compare the 2006 Infiniti QX56 with the Infiniti QX56 from other model years. Note that the number of problems reported for the 2006 QX56 is 99 while the average number of problems reported for the 10 model years of the Infiniti QX56 is 67.