470 problems have been reported for the 2003 Toyota Tacoma. The following chart shows the 21 most common problems for 2003 Toyota Tacoma. The number one most common problem is related to the vehicle's structure with 164 problems. The second most common problem is related to the vehicle's suspension (66 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 2003 Toyota Tacoma in the United States are 130,885 units [1]. If the total number of problems reported by Toyota Tacoma owners in the last 23 years is 470, and the age of the vehicle is 23, the PPMY index can then be calculated as
PPMY Index = 470 / 130,885 / 23 * 1000 = 0.16.
For more information, refer to this page: A study of reliability comparison across Toyota Tacoma model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Toyota Tacoma in 2003.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 |
When making the decision between buying a new or used Toyota Tacoma, the following table can be used to compare the 2003 Toyota Tacoma with the Toyota Tacoma from other model years. Note that the number of problems reported for the 2003 Tacoma is 470 while the average number of problems reported for the 31 model years of the Toyota Tacoma is 336.