2021 Hyundai Sonata — Problems & Complaints
NHTSA has 134 owner complaints on file for this vehicle. Every report below was filed by a real owner with the US government's road-safety agency.
Hyundai Sonata — Complaints by Model Year
Years flagged AVOID have at least twice this model's average complaint count — the strongest public-data signal of a bad year.
751 complaints
1,153 complaints
725 complaints
765 complaints
374 complaints
162 complaints
180 complaints
134 complaints
94 complaints
87 complaints
46 complaints
17 complaints
0 complaints
What Owners Complain About Most
Recent Owner Reports
Recall number (25V796000) There is No remedy available. I am Experiencing fuel system issues that may relate. Dealer and corporate refusing meaningful support and expecting me to pay $1,600 to replace fuel assembly. I feel unsafe driving my vehicle at this time.
I own a 2021 Hyundai Sonata 1.6T, which has an open NHTSA safety recall (25V796000) related to fuel tank pressurization and fire risk. I brought the vehicle to an authorized Hyundai dealership due to a check engine light, reduced performance, and DTC P14EE, which aligns with the recall condition. The dealership refused to treat the concern as recall-related unless I paid a di…
NHTSA: #25V796000 Recall: #286 2020-23MY SONATA (DN8/DN8A) FUEL TANK Issued on 11/18/2025 and there is no remedy yet for this issue. Hyundai of Ocala has not issued me a loaner car. What am I supposed to do? It’s been over a month since the recall was posted and still no remedy. I’m concerned for mine and my families safety. This car is our only means of transportation. I need…
*The front sunroof panel exploded toward while the car was running, but in the driveway in park. *Our safety was compromised by the shattered tempered glass falling into the car. *The problem was noted at the dealer, who stated they had not seen this happen before and believed it to be from a rock chip. *The roof has been inspected by the service department at the dealer, a…
The contact owns a 2021 Hyundai Sonata. The contact stated that while traveling at highway speeds, a tiny pebble hit his windshield which caused a minor ding on the middle of the driver’s side windshield. Over time, the ding spread from the driver’s side to the lane assist sensor located in the middle of the windshield. The contact stated that the crack spread vertically and h…
Recalls & Crash Tests
Complaints are one half of the picture — see the official recalls and NHTSA crash-test stars for the 2021 Hyundai Sonata, or check your exact car by VIN with the free VIN lookup.
Problems Checker
Any year, make and model: open the Car Problems Checker. Data: NHTSA (US DOT, public domain), cached up to 7 days.