NHTSA ODI #11706069

2020 Hyundai Sonata Complaint

Structure

Filed December 19, 2025 · Incident date November 1, 2025

Vehicle
2020 Hyundai Sonata
Component(s)
Structure
Complaint filed
December 19, 2025
Date of incident
November 1, 2025
Reported VIN
5NPEH4J29LH

Owner's description

I own a 2020 Hyundai Sonata with factory-applied paint. The vehicle developed paint peeling/clear-coat failure on the driver-side rear quarter panel without any prior damage, accident, or repainting. The paint began separating from the body, exposing the underlying surface. I brought the vehicle to an authorized Hyundai dealer. The dealer acknowledged a paint adhesion failure and submitted the issue to Hyundai. Hyundai declined to fully cover the repair, stating the model year was not included in their paint warranty extension, even though similar peeling paint defects have been acknowledged and covered by Hyundai on earlier Sonata model years. The dealer ultimately repainted both rear panels due to the nature of the failure, but Hyundai required me to pay approximately 20% of the repair cost as a goodwill arrangement. I was not offered a full repaint or full reimbursement. I have also observed early signs of potential paint adhesion issues around the rear window frame, raising concern that the defect may progress to other areas of the vehicle. This appears to be a manufacturing paint adhesion defect rather than normal wear, and similar issues have been widely reported on Hyundai vehicles. I am reporting this issue to document a recurring paint adhesion defect on the 2020 Hyundai Sonata and to assist in identifying a potential pattern affecting additional vehicles.

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2020 Hyundai Sonata Structure Complaint (#11706069) | VinDecoder