hyundai Sonata problems
0 safety recalls. 113 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 7 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
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…
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.…
*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…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2021 Hyundai Sonata reliable?
Mostly yes. With a reliability score of 7.8 out of 10 based on 113 owner complaints filed with NHTSA, the 2021 Hyundai Sonata is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2021 Hyundai Sonata?
Based on NHTSA records, the most-reported issue is powertrain, with 20 complaints filed. Average repair cost runs about $2,500 at an independent shop.
What's the most expensive thing that goes wrong?
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Hyundai Sonata has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2021 Hyundai Sonata?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 113 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.