56 complaints reported

2011 Hyundai Elantra Engine

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
56
Crashes
0
Fires
2
Injuries
0

Complaint Timeline

Chronological view of owner reports

Oct 2026

I have a Piston/Engine Defect according to the mechanic at the car shop. Any time any acceleration is applied you can hear the knocking. I believe it should be covered through the class action alleged that 2011-2016 Elantras engines (including the Limited trim) have a piston defect leading to engine failure. A settlement offered extended warranties, engine repairs, and reimbursement. I was unaware and have already spent tons of money towards repairs to the engine over the years. Now I am aware of this lawsuit and would like some kind replacement.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Feb 2026
Oct 2024

When I start the engine, I hear pronounced knocking sounds in the engine for approximately 1-2 seconds, and they are quite loud. As the engine warms up, the knocking persists, albeit at a lower volume. The ongoing knocks are not as loud, resembling a consistent noise similar to that of a diesel engine, although it is not a diesel-powered vehicle

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Oct 2024
Dec 2023

10 am Sunday morning going to church I am about 2 miles away from home I started hearing trickled sound at front before entering the freeway. Then about 5 miles before my exit the noise start to get louder and I decided to go 25 mph after I exited the freeway. I stopped at AutoZone parking lot to check and didn't find anything unusual.No engine lights or anything on the dashboard. After 2 hours parked at AutoZone I drove it home at slow speed and decided not to use the freeway so I can keep moving 25 mph max. It's a scary situation and good thing is I'm the driving not my wife. It has closed to 130,000 miles.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Dec 2023
Jan 2023

The contact owns a 2011 Hyundai Elantra. The contact stated while driving 40 MPH, she heard an abnormal sound coming from the front of the vehicle. The contact stated no warning light was illuminated. The contact was able to continue driving to her destination. The contact took the vehicle to the local dealer, where it was diagnosed with needing a piston to be replaced. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 123,500.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Dec 2022
Oct 2022

The 2011 Hyundai Elantra false starts. I’ve changed the battery and gotten a tune up. I’ve taken it into the dealership and paid for a diagnostic, even the Hyundai dealership says they cannot explain why the car is false starting. I believe it is my engine. But why isn’t my car Included in the engine recall?

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Oct 2020
Sep 2022

ENGINE KNOCKING NOISE, EVEN AFTER ENGINE REPLACEMENT BY CAR REPAIR SHOP, ENGINE TICKS AGAIN. ALL 2011 HYUNDAI ELANTRA'S ENGINE TICKS UNNATURALLY.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Dec 2021
Jan 2022

The contact owns a 2011 Hyundai Elantra. The contact stated that the vehicle was serviced at the dealer for an engine failure and after retrieving the vehicle the check engine light would remain illuminated while driving. The vehicle was taken back to the dealer who diagnosed that the engine was again faulty and needed additional repairs. The vehicle was not yet repaired. The manufacturer was notified of the failure. The failure mileage was 109,000.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jan 2022
Nov 2021

ENGINE KNOCKING NOISE, EVEN AFTER ENGINE REPLACEMENT BY CAR REPAIR SHOP, ENGINE TICKS AGAIN. ALL 2011 HYUNDAI ELANTRA'S ENGINE TICKS UNNATURALLY.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jun 2013
Dec 2020

ENGINE KNOCKING, POSSIBLE PISTON DEFECT

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jun 2020
Sep 2020

MY DAILY DRIVER BEGAN TO MAKE A KNOCKING NOISE AND MY DASHBOARD BREAK LIGHT INDICATOR CAME ON. I IMMEDIATELY SCHEDULED SERVICE WITH MY HYUNDAI DEALER. BUT IT DID NOT MAKE THE (2) DAYS WAIT. WHILE DRIVING AT HIGHWAY SPEED THE FRONT END BEGAN TO INTERMITTENTLY PULL TO THE RIGHT AS IF THE RIGHT FRONT BRAKE WAS BEING TAPPED INDEPENDENTLY. WITHIN MINUTES ALL OF THE ELECTRICAL SHUT OFF AND THE ENGINE STALLED. I DRIFTED TO THE SIDE OF THE ROAD. AFTER SEVERAL ATTEMPTS THE ELECTRICAL DID COME BACK ON BUT THE ENGINE WOULD NOT TURN OVER. I HAD THE VEHICLE TOWED TO CLOSEST HYUNDAI DEALER, WHO SAID THE ENGINE NEEDED TO BE REPLACED AND ALL THAT WAS AVAILABLE WAS A USED ENGINE WITH 60,000 MILES ON IT AT AN APPROXIMATE COST OF 5,000.00 DOLLARS WITH NO GUARANTEE THAT IT MAY REQUIRE ADDITIONAL REPAIRS.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Sep 2020
Apr 2020

KNOCKING NOISE ON ENGINE I HAVE DONE ALL THE OIL CHANGE ON TIME IT ONLY HAS 60000 MILES WHAT'S GOING ON A LOT OF PEOPLE ARE COMPLAINING AND HYUNDAI IS NOT DOING ANYTHING I PAYED A LOT FOR THIS CAR MONTHS AGO AND NOW

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Feb 2020
Feb 2020

THERE WAS TOTAL ENGINE FAILURE WHEN THE CAR REACHED ABOUT 80K MILES. THIS IS KNOWN FOR IN THE 2011 HYUNDAI ELANTRAS BUT HYUNDIA HAS YET TO RECALL THE ELANTRAS JUST THE SONATAS. DESPITE CONSTANT AND FREQUENT OIL CHANGES OIL SLUDGE FORMED AND ENTERED THE ENGINE COMPARTMENT COMPLETELY RENDERING IT UNREPAIRABLE. A "NEW" ENGINE HAD TO BE PLACED BUT I WAS WARNED THE PROBLEM COULD OCCUR AGAIN BUT A RECALL STILL HAS NOT BEEN ISSUED. THIS IS DANGEROUS AS THE ENGINE WAS SPUTTING OUT, MISFIRING AND BLUE SMOKE WAS BEING RELEASED FROM THE EXHAUST DUE TO THIS

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Mar 2019
Jan 2020

I WAS TOLD THAT METAL SHAVINGS WERE FOUND IN THE ENGINE BLOCK AND THEY ALSO COVERED MY CAMSHAFT POSITION SENSOR. THE METAL SHAVINGS LEAD TO THE PISTONS NOT GETTING ENOUGH OIL AND IT THREW A ROD, AS A RESULT OF THESE MEDAL SHAVINGS AND LITTLE OIL VISCOSITY. THE CAR WAS IN MOTION, ON THE HIGHWAY.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: May 2020
Dec 2019

THE ENGINE IS KNOCKING AT ALL TIMES

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Dec 2019
Oct 2019

TL* THE CONTACT OWNS A 2011 HYUNDAI ELANTRA. WHEN THE VEHICLE WAS STARTED OR WHILE DRIVING VARIOUS SPEEDS, THE CONTACT HEARD AN ABNORMAL TICKING NOISE EMERGING FROM THE ENGINE COMPARTMENT. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO PEACOCK HYUNDAI COLUMBIA (310 GREYSTONE BLVD, COLUMBIA, SC 29210, (803) 799-1234) WHERE IT WAS DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS TAKEN TO STIVERS HYUNDAI (101 NEWLAND RD, COLUMBIA, SC 29229, (803) 419-7819) WHERE IT WAS DIAGNOSED THAT THE LIFTERS, ENGINE, AND TIMING BELT NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS CONTACTED AND PROVIDED CASE NUMBER: 35887131. NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS 86,000.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jan 2019
Sep 2019

RATTLING/KNOCKING NOISE WHILE CAR IS RUNNING, INCREASE IN NOISE AS YOU ACCELERATE.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jan 2019
Aug 2019

DROVE VEHICLE TO DEALER, BOUCHER HYUNDIA OF WAUKESHA AFTER THE CHECK ENGINE LIGHT WOULD GO ON AND OFF WITH CODES P2096 AND P0304. CODES ARE RELATED TO CYLINDER 3 AND 4 MISFIRES. DEALER FOUND ENGINE MAKING A NOISE FROM LOWER END AND RECOMMENDS AN ENGINE REPLACEMENT. DEALER DISASSEMBLED THE VEHICLE TO DOCUMENT POSSIBLE FINANCIAL ASSISTANCE FROM HYUNDAI MOTOR AMERICA. AFTER FOUR WEEKS HMA DECLINED TO PROVIDE ASSISTANCE. THE VEHICLE WAS REASSEMBLED AND RETURNED TO THE OWNER. THE VEHICLE COULD NOT BE DRIVEN OFF THE DEALER LOT, IT STALLED IMMEDIATELY AFTER STARTING. THE EIGHT YEAR OLD VEHICLE WITH 126,000 MILES IS A UNFIXABLE AND HAS LOST MARKET VALUE.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jul 2019
Aug 2019

ENGINE TICKING AT IDLE AND ACCELERATION. HAD LIFTERS REPLACED AND OIL PUMP COSTING $1500. ENGINE CONTINUED WITH TICKING NOISE. BROUGHT IT TO MY LOCAL HYUNDAI DEALERSHIP WHICH IS 2.5 HOURS AWAY. THEY TOLD ME I NEEDED A NEW MOTOR. HYUNDAI HAS DECLINED THE REQUEST RELATED TO MILEAGE AND TIME. REALLY. THIS VEHICLE ONLY HAS 79,000 MILES ON IT. HYUNDAI CURRENTLY HAS A CLASS ACTION LAWSUIT RELATED TO THE TICKING NOISE. HYUNDAI KNOWS THAT THE ENGINES ARE FAULTY BUT REFUSE TO PUT OUT A RECALL. HOW CAN YOU LET HYUNDAI CONTINUE TO RESELL THESE CARS. THIS IS BASICALLY FRAUD. HYUNDAI ELANTRAS FROM 2011-2016 WITH THE 1.8L ENGINE ARE THE ONES AFFECTED. HYUNDAI DOESN'T STAND BEHIND THEIR PRODUCT. I HAVE NEVER HEARD OF A MOTOR GOING WITH ONLY 79,000 MILES ON IT. SOMEONE NEEDS TO DO SOMETHING TO MAKE HYUNDAI ACCOUNTABLE FOR THEIR FAULTY PRODUCTS. TAKE THE VEHICLES WITH THE 1.8L OFF THE MARKET.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: May 2019
Aug 2019

KNOWN HYUNDAI ENGINE PROBLEMS THE ENGINE HAS A TICKING NOISE THAT I HAVE FOUND TO BE A MANUFACTURED ISSUE IN HYUNDAI ELANTRAS. THE CAMSHAFT BUSHINGS ARE WORN AWAY AND NEEDS A COMPLETELY NEW ENGINE. ALL OF WHICH IS A MANUFACTURING FAULT. THE TICKING IS AUDIBLE WHEN IDLING AND EVEN MORE SO WHEN THE ACCELERATOR IS PUSHED.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Feb 2019
Jul 2019

MY 2011 HYUNDAI ELANTRA HAS THIS TICKING SOUND COMING FROM THE ENGINE FOR OVER 12MONTHS. I HAS CONSTANTLY CALLED EVEN HAD THE CAR TOWED 4 TO 5 TIMES TO THE SAME DEALERSHIP FOR THE SAME THING THAT THE HYUNDAI MOTOR WANT AND WOULDN'T DECLARED THE CAR A LEMON. THE CAR CONSTANTLY WOULD NOT START OR WHEN IT DID START WHILE DRIVING IT WOULD SLOW DOWN AND THEN SHUT COMPLETELY OFF WHERE I WOULD HAVE TO RESTART THE VEHICLE BACK UP. THE CAR IS ALWAYS KEEPED IN A CLOSE GARAGE AND REGARDLESS TO THE WEATHER IT CONTINUE TO MAKE THIS LOUD RAZZING NOISE IN THE ENGINE. SERVICE MANAGER CHAD REPEATEDLY TOLD ME THAT THERE WAS NOTHING WRONG AND THAT IT WAS BECAUSE OF THE WEATHER. NOW THE DEALERSHIP WANTS ME TO PAY 7000 DOLLARS FOR A NEW ENGINE

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jan 2019
Jun 2019 Fire

TL* THE CONTACT OWNED A 2011 HYUNDAI ELANTRA. THE CONTACT STATED THAT THE VEHICLE CAUGHT FIRE WHILE PARKED IN THE FAMILY GARAGE. THERE WERE NO INJURIES AND THE FIRE DEPARTMENT PUT OUT FIRE. A FIRE REPORT AND A POLICE REPORT WERE FILED. SMOKE FILLED THE HOME AND THE GARAGE DRYWALL CEILING HAD COLLAPSED AND BLACKENED THE INTERIOR OF THE GARAGE. THERE WAS EXTENSIVE SMOKE DAMAGE TO THE INTERIOR OF THE HOUSE. THE VEHICLE WAS ENGULFED IN FLAMES AND FULL OF WATER. THE FIRE STARTED ON THE DRIVER'S FRONT SIDE OF THE ENGINE. THE EXACT CAUSE HAD NOT BEEN DETERMINED AS OF YET. THE VEHICLE 'S WHOLE FRONT FROM THE ENGINE HAD BEEN BURNED OUT. THE GLASS EXPLODED AND THE VEHICLE WAS RIPPED OPEN USING A JAWS OF LIFE TOOL SO THE FIRE DEPARTMENT COULD PUT OUT THE FIRE FROM THE ENGINE. THE VEHICLE WAS DESTROYED. THE DEALER AND THE MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE 68,000.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Jun 2019
May 2019

SEVERE ENGINE KNOCKING FOR OVER 12 MONTHS WHEN STARTING VEHICLE. THE VEHICLE IS STORED IN AN ENCLOSED GARAGE YEAR ROUND. KNOCKING OCCURS NO MATTER THE OUTDOOR TEMPERATURE. THE VEHICLE SEIZED UP AND WAS TOWED TO DEALER. DEALER STATED THE VEHICLE WAS STILL UNDER WARRANTY BUT WOULD NOT DO ANYTHING TO MAKE REPAIRS.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Mar 2018
May 2019

TL* THE CONTACT OWNS A 2011 HYUNDAI ELANTRA TOURING. WHILE DRIVING VARIOUS SPEEDS, AN ABNORMAL TICKING NOISE WAS HEARD COMING FROM THE VEHICLE. THE CONTACT MENTIONED THAT THE NOISE WAS PERSISTENT. LUTHER BURNSVILLE HYUNDAI (14700 BUCK HILL RD, BURNSVILLE, MN 55306, (612) 424-7923) INFORMED THE CONTACT TO BRING THE VEHICLE IN TO BE DIAGNOSED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE PISTONS WERE CAUSING THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS APPROXIMATELY 45,000. *BF *JB

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA TOURING, Manufacturer: Hyundai Motor America
Incident: Jan 2019
Mar 2019

THE CRANKSHAFT PULLEY STRIPPED FROM CRANKSHAFT! ABOUT 30K MILES BEFORE WE STARTED NOTICING ENGINE NOISES - LOUD TICKING NOISES. AFTER HAVING MY SPOUSE PARK THE VECHICLE BECAUSE WAS HARD KNOCKS, I TOOK IT OUT WITH MY DAUGHTER TO TAKE HER TO GUITAR LESSONS AND TO LISTEN TO IT AS I DROVE. ON THE WAY BACK TO THE (LESS THAN 3 MILES) THE ENGINE DIED AS THERE WAS A LOUD SCREECH/KNOCK. I RESTARTED THE ENIGNE AND DROVE BACK HOME. THE COOLANT AND OIL WAS EVERYWHERE. THAT'S WHEN I NOTICES THE PULLEY WAS LOOSE AND I WAS ABLE TO PULL IT OFF THE CRANKSHAFT. THE ODDEST THING I'VE EVER SEEN. THE ENGINE (I BELIEVE) STILL STARTS BUT TICKETING DOES PERSIST. NOT SURE WHAT HAPPENED BUT CLEARLY THE ENGINE HAD SOME ISSUES WITH IT. THERE WAS NOTHING WE'VE DONE WITH THE VEHICLE OTHER THAN NORMAL, HIGHWAY DRIVING. I'VE CONTACT CORPORATE HYUNDAI AND THEY HAVE INDICATED IT'S NOT LONGER COVERED AND NO WORK CAN BE DONE ON IT. MY CONCERN - OUTSIDE OF 5K LOST ON THE VEHICLE IS THIS IS A MAJOR CONCERN FOR ALL THE VEHICLES OUT THERE - ESPECIALLY AT THE LOWER MILEAGE. I FREAKED OUT ON THE ROAD WHEN I HEARD THE NOISES AND FELT LIKE MY ENGINE COMPLETELY FELL APART. MY SAFETY WAS MY CONCERN. SOMETHING IS WRONG WITH THIS ENGINE AND IT'S NOT JUST MINE. IF IT HAPPENED TO ME...A SIMILAR OCCURRENCE IS HAPPENING TO OTHERS. I SENSE HYUNDAI IS NOT DOING IT'S PART TO RECTIFY THIS ISSUE ESPECIALLY WITH SUCH A CORE/CRITICAL PART OF THE VEHICLE. I'VE LOST CONFIDENCE IN THEIR VEHICLES...ESPECIALLY WITH LACK OF OWNERSHIP OF THE ISSUES. (VEHICLE IS STILL AT DEALERSHIP AT THE TIME OF THE WRITING). I'LL BE PICKING IT UP TODAY. I"M ESTIMATING THE DATE THIS HAPPENED...BECAUSE I DIDN'T MARK IT DOWN. I TRIED TO TOW IT MYSELF TO THE DEALERSHIP WITH MY TRUCK BUT I TOOK THE BUMPER OFF SO FINALLY GOT A REAL TOW IN TO PICKER IT UP AND RELIEVED IT.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Nov 2019
Mar 2019

THE ENGINE IN THIS CAR IS KNOCKING SEVERELY. IT'S REALLY BAD UPON START UP AND CONTINUES TO KNOCK.

Type: Vehicle, Vehicle: 2011 HYUNDAI ELANTRA, Manufacturer: Hyundai Motor America
Incident: Mar 2019

Trend Over Time

Complaints by year

Quick Summary

The 2011 Hyundai Elantra has 56 Engine complaints on file. Review the timeline above for detailed owner experiences.