38 problems have been reported for the 2018 Kia Motor RIO. The following chart shows the 12 most common problems for 2018 Kia Motor RIO. The number one most common problem is related to the vehicle's engine and engine cooling with 15 problems. The second most common problem is related to the vehicle's equipment (5 problems).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling | |
| Equipment | |
| Air Bag | |
| Electrical System | |
| Exterior Lighting | |
| Other Fuel System | |
| Latches/locks/linkage | |
| Structure | |
| Seats | |
| Steering | |
| Service Brakes | |
| Power Train |
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 RIO in the United States are 25,104 units [1]. If the total number of problems reported by Kia Motor RIO owners in the last 8 years is 38, and the age of the vehicle is 8, the PPMY index can then be calculated as
PPMY Index = 38 / 25,104 / 8 * 1000 = 0.19.
For more information, refer to this page: A study of reliability comparison across Kia Motor RIO 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 RIO 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 RIO, the following table can be used to compare the 2018 Kia Motor RIO with the Kia Motor RIO from other model years. Note that the number of problems reported for the 2018 RIO is 38 while the average number of problems reported for the 24 model years of the Kia Motor RIO is 74.