2020 Hyundai Sonata
Typical pattern 11.6% of complaints about the 2020 Hyundai Sonata came in the first year, which is unremarkable for a 2020 vehicle — around the middle of the 178 model-years on record. The median complaint arrives at 4.8 yr in service. The most-reported system is fuel / propulsion (45 complaints), typically at 5.1 yr or about 1,600 miles.
- Complaints
- 276
- Median age at failure
- 4.8 yr
- Median mileage
- 9,000 n=72
- Crash / fire / tow
- 9.4% of reports
- Safety recalls
- 4
25V796000 2025-11-18
Fuel system
Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Sonata vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
A melted fuel tank can leak, increasing the risk of a fire.
22V196000 2022-03-28
Latches/locks/linkages:trunk lid:latch
Hyundai Motor America (Hyundai) is recalling certain 2020 Sonata and Sonata Hybrid, and 2019 Genesis G70 vehicles. The trunk latch may become damaged, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
A person inside the trunk compartment may become trapped, increasing their risk of injury.
20V213000 2020-04-09
Electrical system:software
Hyundai Motor America (Hyundai) is recalling certain 2020 Nexo and Sonata vehicles. The Remote Smart Parking Assist (RSPA) software may fail to prevent vehicle movement upon detection of an RSPA system malfunction.
Unintended vehicle movement increases the risk of a crash.
20V122000 2020-02-28
Equipment:other:labels
Hyundai Motor America (Hyundai) is recalling certain 2020 Sonata vehicles produced between October 22, 2019 and February 13, 2020. The tire pressure label inside the driver's door and the owner's manual state an incorrect tire size. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, "Tire Selection and Rims."
The incorrect tire information may mislead the vehicle owner to install the wrong tire size, potentially affecting vehicle handling,
increasing the risk of a crash.
Electrical system 1,500 mi 4 mo in service
TL* THE CONTACT OWNS A 2020 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 55 MPH, THE VEHICLE SHIFTED INTO SAFE MODE AND LOST MOTIVE POWER. THE VEHICLE WAS TAKEN TO ST. CHARLES AUTOMOTIVE LOCATED AT 5601 VETERANS MEMORIAL PKWY, ST PETERS, MO 63376, (636)441-4481 BUT WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED OR INFORMED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 1,500.
Electrical system mileage not reported 3.3 yr in service
While driving my cars a light starting blinking and my engine light came on and the car lost power This has happened on at least 3 occasions and I had to pull over upon starting the car after a few hours all returned to normal I reported this to dealer and they could not find a problem
Electrical system mileage not reported 5.2 yr in service
My Passenger window fell down and will not go up, It is available for inspection upon request. Safety Risk is that the window is being help up by tape and if it falls all of a sudden while driving could break the glass and spread inside as well as cause object to fly out of the vehicle. This has not been inspected by the manufacturer or anyone No warning lamps or messages. I put my window down and then it never went back up and motor was just running and probably made it worse
Structure 600 mi 5 mo in service
TL* THE CONTACT OWNS A 2020 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE DOORS OPENED INDEPENDENTLY WITHOUT THE UNLOCK BUTTON BEING DEPRESSED. THE VEHICLE WAS TAKEN TO WALLACE HYUNDAI LOCATED AT (3801 SE FEDERAL HWY A, STUART, FL 34997) HOWEVER, THE MECHANIC WAS UNABLE TO DETERMINE THE CAUSE OF FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 600.