Worried about potential repair costs? An extended warranty can provide peace of mind.
Chart based on 21 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Car experiences extended turnover and sputters to life periodically in cooler weather. Took to dealer and they couldn't find anything and said no TSB's on issue.
The camshaft timing sensor cover seal was breached due to sub zero temperatures and oil leaked on the sensor. This caused a low power condition and check engine light. There was a backorder for the part.
89000 mi
US $100
Oiling issues
78000 mi
CVVT seal not seated properly during assembly. Known issue. Causes slight rpm rev when idling and stutter at speed.
46000 mi
Radiator hoses were leaking and needed to be replaced
39060 mi
C $316
replaced leaking valve cover gasket
42000 mi
Vehicle would lag if acceleration attempted. Bad module replaced.
58000 mi
Car went limp, check engine on. Dealer said sensor had to be replaced. It was ok for awhile then problem happened again, but resolved itself with a restart
10500 mi
TSB issued to update the drivetrain software. Took about an hour at the dealership and afterwards the vehicle had much better throttle response at lower RPM. Also, shifts feel "crisper".
5000 mi
ECM Update, no problem
1300 mi
Car hesitated, sputtered and lost power. Dealer could not initially diagnose cause. Hyundai engineers became involved. Replaced engine wiring harness which resolved issue to date.
high pressure fuel pump leaked due to failed bolt. They replaced bolt and seal
23280 mi
The "cam Sensor" failed causing the engine to run poorly.
11000 mi
Excessive valve clatter unless I use premium fuel. Unable to fix because there is "no error code" It's starting to look like Hyundai makes it very difficult for dealerships to get reimbursed for troubleshooting problems.
7800 mi
required Engine Computer update. No problem before, but car feels much faster.
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how
frequently 2015 Hyundai Sonata problems occur, check out our car reliability stats.