2015 Hyundai Sonata problems and complaints

Owners have filed 1156 complaints with NHTSA about the 2015 Hyundai Sonata. The most-reported areas: Engine (631), Electrical System (168), Unknown Or Other (167).

Key takeaways

  • 1156 owner complaints on file with NHTSA.
  • 34 involve a crash, 48 a fire, 32 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine63155%
Electrical System16815%
Unknown Or Other16714%
Power Train13512%
Fuel/Propulsion System787%
Service Brakes777%
Steering746%
Vehicle Speed Control615%
Structure524%
Exterior Lighting383%
Air Bags252%
Engine And Engine Cooling212%

One complaint can name several components, so shares add up to more than 100%.

Parts for the 2015 Hyundai Sonata

GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2015 Hyundai Sonata 4 DR FWD5/55/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Engine - filed 2026-11-02

I am writing to formally report a serious and potentially dangerous safety issue involving my 2015 Hyundai Sonata. At approximately 93,000 miles, my vehicle experienced a complete engine failure, which resulted in Hyundai replacing the engine. Unfortunately, I am now experiencing another serious mechanical or electri...

Unknown Or Other,fuel/Propulsion System - filed 2026-10-31

The vehicle is currently at Greenway Orlando Hyundai for a fuel-system-related repair. During the dealership’s inspection, the dealership identified a crack in the fuel pump housing and a fuel leak. The dealership also provided photographs documenting the crack and the leak, and the vehicle has a very strong fuel odor....

Electrical System,service Brakes,engine - filed 2026-10-28

On Wednesday, October 21, 2026, our 2015 Hyundai Sonata with the 2.4L Theta II GDI engine suffered a sudden, complete engine seizure while traveling about 75 mph on I-25 Southbound near Castle Rock, CO. A family member was driving. Warning lights across the car began flashing, the engine made a loud grinding noise, and...

Diagnose it yourself

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

More for the 2015 Hyundai Sonata

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.