2018 Hyundai Sonata structure problems
16 owner complaints filed with NHTSA name the structure on the 2018 Hyundai Sonata — 4% of all complaints for this model year.
What owners report
“The paint on all parts of the car is completely coming off down to bare metal. It’s as if the car wasn’t prepped to receive paint. Every Hyundai I pass that’s white the paint is coming off. There is also an internal engine oil leak where I’m losing 4qts of oil a week.”
filed Aug 16, 2026
“The trunk latch on the Hyundai Sonata malfunctioned, and our safety was put at risk when the trunk malfunctioned while driving on the freeway, obstructing the back view. After several attempts to try to close the trunk and after doing some research, I learned it had a vehicle recall, 21V619000. An…”
filed Apr 27, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Structure problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 5 | 11% |
| 2023 Sonata | 4 | 5% |
| 2022 Sonata | 3 | 3% |
| 2021 Sonata | 4 | 3% |
| 2020 Sonata | 16 | 9% |
| 2019 Sonata | 7 | 4% |
| 2017 Sonata | 37 | 5% |
| 2016 Sonata | 31 | 4% |
| 2015 Sonata | 52 | 5% |
| 2014 Sonata | 16 | 2% |
| 2013 Sonata | 50 | 3% |
| 2012 Sonata | 39 | 3% |
Other reported problem areas on the 2018 Hyundai Sonata
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.