I WAS DRIVING 60MPH WITH CRUISE ON A STATE HIGHWAY. WHEN THE CAR ACCELERATED THERE WAS A NOISE I COULDN'T IDENTIFY. I IMMEDIATELY PULLED TO THE SIDE OF THE ROAD TO INVESTIGATE AND THE NOISE SOUNDED LIKE ROCKS GRINDING. I CHECKED OIL AND IT WAS FULL. WHEN CAR WAS RESTARTED THE NOISE RESUMED. I TURNED OFF THE CAR AND IT DIDN'T START AGAIN. TOWED TO A GARAGE AND THEY SAID THERE WERE METAL SHAVINGS IN…
2015 hyundai Sonata engine problems
severe 396 complaints filed with NHTSA · avg repair $3,100
What owners are reporting 7 most recent
The contact owns a 2015 Hyundai Sonata. The contact stated while driving 50 MPH, the vehicle stalled and failed to restart. No warning lights were illuminated. The vehicle was towed to the residence. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure. The failure mileage was approximately 174,000.
WHILE DRIVING THE CAR STARTED TO PUTTER AND THEN STALLED WHILE ON THE WAY TO WORK. THE VEHICLE ENGINE IS SHOT I AM TOLD BY THE MECHANIC I HAVE USED FOR 10 YEARS NOW. CALLED THE DEALERSHIP ABOUT THE ISSUE AND WAS ADVISED I COULD HAVE IT TOWED IN AT MY EXPENSE AND HAVE THEM LOOK AT IT AT MY EXPENSE SINCE THE CAR IS OUT OF WARRANTY. THE DEALERSHIP I AM SURE WILL SAY IT IS NOT DUE TO FAULTY PARTS OR A…
While traveling on the interstate, the car started shuddering. Pulled off and went to auto part store and they read the code #4 misfire. Took car to my mechanic and he said #4 cylinder was dead. Proceeded to take car to dealership and they said #4 cylinder had burn valve with hole in valve. We hey gave a quote for engine replacement. Took car back to my mechanic and he replaced engine at a cost of…
Approximately five weeks ago, my 2015 Hyundai Sonata showed a check engine light. I took it into the dealer and paid a diagnostic fee which revealed the third cylinder misfire in the engine. I paid to have the engine cleaned yet the light continues to stay on and the car has been Running low on oil every time it gets checked the dealer states that the engine needs to be replaced
TL* THE CONTACT OWNS A 2015 HYUNDAI SONATA. WHILE DRIVING 60 MPH, THE VEHICLE BEGAN TO STALL AND THE CHECK ENGINE WARNING INDICATOR FLASHED. THE CONTACT PULLED INTO A GAS STATION AND, UPON DEPRESSING THE ACCELERATOR PEDAL, THE VEHICLE RUMBLED. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE THE VEHICLE WAS DIAGNOSED WITH A FAULTY ENGINE KNOCK SENSOR. THE CONTACT SPOKE WITH SOUTHTOWNE…
WHITE DRIVING EITHER IN MOTION OR STOPPED BEHIND A LIGHT, ENGINE STARTS TO SHAKE AND STALL. THIS MAKE THE CAR SHARE HEAVILY AND NUDGE FORWARDS AND BACKWARDS UNTIL THE CALL STALLS OUT. THEN THE DASH GETS LIT UP WITH ALL THE CHECK ENGINE LIGHTS. THEN, PRESSING THE START BUTTON MULTIPLE TIMES UNTIL THE VEHICLES STARTS. THE CAR DOES THIS EVERY SO OFTEN. YOU DRIVE OFF, IT SHAKES AND STALLS, IT HAS…
Common questions
How serious is the engine problem on the 2015 hyundai Sonata?
It's a meaningful issue. 396 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.