40 problems have been reported for the 2008 Lincoln Navigator. The following chart shows the 18 most common problems for 2008 Lincoln Navigator. The number one most common problem is related to the vehicle's service brakes, hydraulic with 7 problems. The second most common problem is related to the vehicle's electrical system (7 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 2008 Lincoln Navigator in the United States are 21,285 units [1]. If the total number of problems reported by Lincoln Navigator owners in the last 17 years is 40, and the age of the vehicle is 17, the PPMY index can then be calculated as
PPMY Index = 40 / 21,285 / 17 * 1000 = 0.11.
For more information, refer to this page: A study of reliability comparison across Lincoln Navigator model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2008 Lincoln Navigator in 2008.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
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| 2015 | |
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| 2012 | |
| 2011 | |
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| 2009 | |
| 2008 |
When making the decision between buying a new or used Lincoln Navigator, the following table can be used to compare the 2008 Lincoln Navigator with the Lincoln Navigator from other model years. Note that the number of problems reported for the 2008 Navigator is 40 while the average number of problems reported for the 28 model years of the Lincoln Navigator is 59.