2020 Hyundai Sonata Body and structure Problems
- Complaints
- 17about this part
- Share
- 9%of 182 total for the year
- Median mileage
- 600miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 17 complaints about the body and structure of the 2020 Hyundai Sonata, 9% of the 182 complaints for this model year. Where a mileage was given, the median is 600 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I looked up under the hood, it start rusting in frame in driver side. I checked other 2020 Sonata from dealership and those car are even worst. Those car rusting driver and passenger side too.”
NHTSA complaint #11323971, filed 2020-05, 350 miles“Rear doors retain water every time it rains. When you open the rear doors water drains out of the car. Brought car to Hyundai dealership who verified the problem and confirmed the problem with other new cars on their lot, on april 21, 2020. Dealership contacted Hyundai corporate for guidance and there has been no response to date.”
NHTSA complaint #11326116, filed 2020-05, 520 miles“The vehicle's driver side window is not seated properly and has excessive wind noise when driving. Dealership confirms this issue across multiple models in the 2020 and 2021 Hyundai Sonata.”
NHTSA complaint #11394499, filed 2021-02, 600 miles“Service Campaign 9B1 That my gas tank has explanded/exploded due to the issue noted in the subject line. As you can see the whole bottom of the backseats have been raised up imcluding the part that connects to the gas tank itself. My car is immobilized and not drivable during this time. What is the next step to take?”
NHTSA complaint #11651228, filed 2025-03“Car was taken to dealership for inspection. Upon inspection, it was determined that the fuel tank had expanded and pushed towards the heat shield, and expanded upward pushing up the back seats of vehicle. It was determined to not safe to drive. Manufacturer contacted me and offered a buyback. Upon their offer of a buyback, it was determined that I would owe the manufacturer approximately $2,000. I have requested that they fix it, and they have refused to give me the paperwork I requested about the car's condition and fixability. …”
NHTSA complaint #11753819, filed 2026-07Related service bulletins
- 10235566Apr 24, 2023Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid…
- 10185437Dec 18, 2020This bulletin describes the procedure to replace the front door module assembly if the front door window cannot close or the door regulator cables are separated from the…
Body and structure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 5 | 11% |
| 2023 | 4 | 5% |
| 2022 | 3 | 3% |
| 2021 | 4 | 3% |
| 2020 | 17 | 9% |
| 2019 | 7 | 4% |
| 2018 | 17 | 5% |
| 2017 | 37 | 5% |
| 2016 | 31 | 4% |
| 2015 | 52 | 5% |
| 2014 | 17 | 2% |
| 2013 | 50 | 3% |
| 2012 | 39 | 3% |
| 2011 | 73 | 2% |
| 2010 | 164 | 48% |
| 2009 | 40 | 9% |
| 2008 | 15 | 4% |
| 2007 | 21 | 3% |
| 2006 | 44 | 4% |
| 2005 | 30 | 18% |
| 2004 | 47 | 23% |
| 2003 | 38 | 19% |
| 2002 | 88 | 28% |
| 2001 | 69 | 34% |
| 2000 | 109 | 39% |
| 1999 | 36 | 29% |
| 1998 | 2 | 4% |
| 1996 | 2 | 9% |
| 1995 | 5 | 8% |
| 1992 | 2 | 9% |
| 1990 | 1 | 6% |
| 1989 | 1 | 9% |
Other parts of the 2020 Hyundai Sonata
59 complaintsElectrical system
40 complaintsEngine
32 complaintsOther or unknown
30 complaintsTransmission and drivetrain
24 complaintsSeats
16 complaintsForward collision avoidance
12 complaintsAir bags
7 complaintsSteering
7 complaintsVehicle speed control
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsBack-over prevention (rear camera)
6 complaints
← All problems reported for the 2020 Hyundai Sonata
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology