250 problems have been reported for the 1999 Hyundai Sonata. The following chart shows the 18 most common problems for 1999 Hyundai Sonata. The number one most common problem is related to the vehicle's structure with 72 problems. The second most common problem is related to the vehicle's air bags (37 problems).
The following chart shows the number of problems reported during each of the service years since the debut of the 1999 Hyundai Sonata in 1999.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
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| 2010 | |
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| 2007 | |
| 2006 | |
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| 2000 | |
| 1999 |
When making the decision between buying a new or used Hyundai Sonata, the following table can be used to compare the 1999 Hyundai Sonata with the Hyundai Sonata from other model years. Note that the number of problems reported for the 1999 Sonata is 250 while the average number of problems reported for the 27 model years of the Hyundai Sonata is 600.