1,062 problems have been reported for the 2014 Hyundai Sonata. The following chart shows the 26 most common problems for 2014 Hyundai Sonata. The number one most common problem is related to the vehicle's engine and engine cooling with 319 problems. The second most common problem is related to the vehicle's electrical system (139 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 2014 Hyundai Sonata in the United States are 132,507 units [1]. If the total number of problems reported by Hyundai Sonata owners in the last 12 years is 1062, and the age of the vehicle is 12, the PPMY index can then be calculated as
PPMY Index = 1062 / 132,507 / 12 * 1000 = 0.67.
For more information, refer to this page: A study of reliability comparison across Hyundai Sonata model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2014 Hyundai Sonata in 2014.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 |
When making the decision between buying a new or used Hyundai Sonata, the following table can be used to compare the 2014 Hyundai Sonata with the Hyundai Sonata from other model years. Note that the number of problems reported for the 2014 Sonata is 1,062 while the average number of problems reported for the 31 model years of the Hyundai Sonata is 720.