Hyundai Sonata Engine Problems
5,644 owner complaints filed with NHTSA across 26 model years.
Complaints by Year
Worst year: 2011. Best year: 2024.
Owner Reports
A representative sample of complaints filed with NHTSA.
Vehicle: 2015 Hyundai Sonata VIN: [XXX] Mileage: ~85,000 Description of the Problem: While driving, the vehicle suddenly began producing thick smoke from under the hood without warning. I safely maneuvered to the shoulder to avoid an acc...
Vehicle engine caught fire in April 2026! Tow company sold for parts without my permission! Immediately after gaining possession of my car. I didn't have comprehensive insurance, only basic. I had a brain bleed stroke Nov. 2022 and this ...
The contact owns a 2019 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, smoke started coming from the hood and the vehicle was pulled over into a parking space. While opening the hood, the contact saw that ...
When my father was driving, the vehicle stalled out with no prior odd activity. He pulled over to the side of the road and attempted to start the vehicle. He saw smoke, opened the hood, saw flames and cleared the area of the vehicle. Du...
Vehicle caught fire after repeatedly taking it to Hyundai for service . I complained about the oil consumption and knocking noises while the vehicle was still under warranty and it was denied.
Engine was replaced in 2023. In March 2026 there was a fuel line leak to include fuel misting near heat components. The vehicle was in a fender bender but Hyundai determined this did not cause the leak which eludes to this being a faulty...
Car engine caught fire. Allstate notified pictures provided below.
On April 14, 2026, my 2019 Hyundai Sonata was parked at a retail store parking lot. Returning from the store, I attempted to start the car, and it did not start. I attempted to start it again, and I saw smoke coming out from under the ho...
The contact owned a 2013 Hyundai Sonata. The contact stated that while attempting to start the vehicle, the vehicle failed to start. No warning lights were illuminated. A nearby Samaritan attempted to jump-start the vehicle, however the ...
I will take 10k$ for the car or a new engine and steering, damages fixed. . I also need a rental by April 10th and $300 for inconvenience thus far. The engine stalled twice when driving over 2 months! The lawyer won't...
Vehicle: 2012 Hyundai Sonata Incident Date: August 14, 2024 Location: [XXX] Description of the Problem: The vehicle experienced a sudden and catastrophic fire without warning while in normal use. There were no prior warning lights, mes...
Engine was replaced couple of months ago due to a recall and today 3/30/2026 I'm pulling up to my driveway getting home from work in my car starts smoking it catches on fire