62 problems have been reported for the 2018 Kia Motor Sedona. The following chart shows the 19 most common problems for 2018 Kia Motor Sedona. The number one most common problem is related to the vehicle's engine and engine cooling with 20 problems. The second most common problem is related to the vehicle's electrical system (10 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 2018 Kia Motor Sedona in the United States are 17,036 units [1]. If the total number of problems reported by Kia Motor Sedona owners in the last 8 years is 62, and the age of the vehicle is 8, the PPMY index can then be calculated as
PPMY Index = 62 / 17,036 / 8 * 1000 = 0.45.
For more information, refer to this page: A study of reliability comparison across Kia Motor Sedona model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2018 Kia Motor Sedona in 2018.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 |
When making the decision between buying a new or used Kia Motor Sedona, the following table can be used to compare the 2018 Kia Motor Sedona with the Kia Motor Sedona from other model years. Note that the number of problems reported for the 2018 Sedona is 62 while the average number of problems reported for the 20 model years of the Kia Motor Sedona is 166.
| Model Year | Number of Problems |
|---|---|
| 2021 Sedona | |
| 2020 Sedona | |
| 2019 Sedona | |
| 2018 Sedona | |
| 2017 Sedona | |
| 2016 Sedona | |
| 2015 Sedona | |
| 2014 Sedona | |
| 2013 Sedona | |
| 2012 Sedona | |
| 2011 Sedona | |
| 2010 Sedona | |
| 2009 Sedona | |
| 2008 Sedona | |
| 2007 Sedona | |
| 2006 Sedona | |
| 2005 Sedona | |
| 2004 Sedona | |
| 2003 Sedona | |
| 2002 Sedona |