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Body and structurePart report

2018 Hyundai Sonata Body and structure Problems

Complaints
17about this part
Share
5%of 375 total for the year
Median mileage
32,000miles
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 2018 Hyundai Sonata, 5% of the 375 complaints for this model year. Where a mileage was given, the median is 32,000 miles.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Driving north on interstate 530 in arkansas, about 40 miles south of clinton library there was a sudden explosion of glass from the sunroof. The internal visor was open and glass began to pour into my lap, shirt and the other seats in the vehicle. I screamed in fear and pulled over to the side of the road. There were no other vehicles in front of or behind me at the time.”

NHTSA complaint #11365459, filed 2020-10, 72,470 miles

“I was I a parking and I opened the trunk, after that it was impossible to close it. The trunck latch failed. It has a plastic part that broke. I had to purchase a new one.”

NHTSA complaint #11389160, filed 2021-01, 32,000 miles

“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.”

NHTSA complaint #11757263, filed 2026-08

“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 appointment was made at Ontario Hyundai for the latch to be repaired due to the recall. After taking the vehicle in, the dealer stated that an attempt to repair the latch had been attempted and refused to do the repair and provided an invoice of $616.00 for repair. …”

NHTSA complaint #11734172, filed 2026-04

“I am writing to file a formal complaint against Hyundai Motor America regarding a significant defect in the paint quality of my 2018 Hyundai vehicle and the company's lack of response to my attempts to resolve this issue.I am the owner of a 2018 Hyundai [Model], which I purchased from priority Hyundai in dec 2017. Over the past few months, the paint on my white Hyundai has started to peel significantly, despite regular maintenance and care. This issue has not only affected the aesthetic appeal of my vehicle but also its potential resale value. …”

NHTSA complaint #11607232, filed 2024-08

Related service bulletins

Body and structure: other model years

YearComplaintsShare of year
2024511%
202345%
202233%
202143%
2020179%
201974%
2018175%
2017375%
2016314%
2015525%
2014172%
2013503%
2012393%
2011732%
201016448%
2009409%
2008154%
2007213%
2006444%
20053018%
20044723%
20033819%
20028828%
20016934%
200010939%
19993629%
199824%
199629%
199558%
199229%
199016%
198919%

Other parts of the 2018 Hyundai Sonata

Engine
212 complaints
Electrical system
60 complaints
Other or unknown
59 complaints
Transmission and drivetrain
40 complaints
Fuel system
34 complaints
Exterior lighting
22 complaints
Vehicle speed control
19 complaints
Brakes
17 complaints
Engine cooling
14 complaints
Steering
9 complaints
Latches, locks and linkages
8 complaints
Seat belts
8 complaints

← All problems reported for the 2018 Hyundai Sonata

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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