347 problems have been reported for the 2001 Kia Motor RIO. The following chart shows the 18 most common problems for 2001 Kia Motor RIO. The number one most common problem is related to the vehicle's engine and engine cooling with 56 problems. The second most common problem is related to the vehicle's air bags (33 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 2001 Kia Motor RIO in the United States are 59,253 units [1]. If the total number of problems reported by Kia Motor RIO owners in the last 21 years is 347, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 347 / 59,253 / 21 * 1000 = 0.28.
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 2001 Kia Motor RIO in 2001.
| Service Year | Number of Problems |
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| 2001 |
When making the decision between buying a new or used Kia Motor RIO, the following table can be used to compare the 2001 Kia Motor RIO with the Kia Motor RIO from other model years. Note that the number of problems reported for the 2001 RIO is 347 while the average number of problems reported for the 22 model years of the Kia Motor RIO is 62.