2021 Hyundai Sonata Body and structure Problems
- Complaints
- 4about this part
- Share
- 3%of 135 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the body and structure of the 2021 Hyundai Sonata, 3% of the 135 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving down the highway with my mom, no cracks in any of my windows before any of this by the way. And my sunroof exploded. Huge huge explosion sound. I thought something fell but there was nothing above us.”
NHTSA complaint #11526475, filed 2023-06“• I experienced trouble with my splash guard being damaged from hanging and scraping the ground about a month after purchasing the vehicle. Also, my hood paint started chipping after a recent cold front experienced in my state earlier this year. Yes it is available for inspection upon request. Regarding the splash guard, not applicable. • It’s was very inconvenient to drive with a portion of my car scraping the ground. I had to be more mindful of my driving in the higher speed limit areas incase the splash guard detached. I had it re-attached multiple times. …”
NHTSA complaint #11730039, filed 2026-04“As I was driving down the road I heard what sounded like a gunshot and glass shattering. Upon getting to my destination I found that my panoramic sunroof had shattered outward.”
NHTSA complaint #11503651, filed 2023-01Related 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…
- 10185414Dec 2, 2020This bulletin describes the procedure to identify and program certain Sonata vehicles Rear Corner Radars from the Advanced Driver Assistance Systems (ADAS) modules to enable 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 2021 Hyundai Sonata
34 complaintsFuel system
34 complaintsOther or unknown
32 complaintsTransmission and drivetrain
25 complaintsElectrical system
18 complaintsVisibility (wipers, defrost, mirrors)
12 complaintsForward collision avoidance
9 complaintsAir bags
4 complaintsBrakes
4 complaintsLane departure
3 complaintsSeat belts
2 complaintsSeats
2 complaints
← All problems reported for the 2021 Hyundai Sonata
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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