8 problems have been reported for the 2001 Infiniti G20. The following chart shows the 6 most common problems for 2001 Infiniti G20. The number one most common problem is related to the vehicle's service brakes, hydraulic with 2 problems. The second most common problem is related to the vehicle's engine and engine cooling (2 problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes | |
| Engine And Engine Cooling | |
| Visibility | |
| Power Train | |
| Other Fuel System | |
| 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 2001 Infiniti G20 in the United States are 7,021 units [1]. If the total number of problems reported by Infiniti G20 owners in the last 21 years is 8, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 8 / 7,021 / 21 * 1000 = 0.05.
For more information, refer to this page: A study of reliability comparison across Infiniti G20 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 G20 in 2001.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 | |
| 2002 | |
| 2001 |
When making the decision between buying a new or used Infiniti G20, the following table can be used to compare the 2001 Infiniti G20 with the Infiniti G20 from other model years. Note that the number of problems reported for the 2001 G20 is 8 while the average number of problems reported for the 5 model years of the Infiniti G20 is 9.