166 problems have been reported for the 2021 Hyundai Kona. The following chart shows the 18 most common problems for 2021 Hyundai Kona. The number one most common problem is related to the vehicle's engine and engine cooling with 82 problems. The second most common problem is related to the vehicle's equipment (21 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 2021 Hyundai Kona in the United States are 69,467 units [1]. If the total number of problems reported by Hyundai Kona owners in the last 5 years is 166, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 166 / 69,467 / 5 * 1000 = 0.48.
For more information, refer to this page: A study of reliability comparison across Hyundai Kona model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Hyundai Kona in 2021.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Hyundai Kona, the following table can be used to compare the 2021 Hyundai Kona with the Hyundai Kona from other model years. Note that the number of problems reported for the 2021 Kona is 166 while the average number of problems reported for the 9 model years of the Hyundai Kona is 136.