I BOUGHT THE CAR ABOUT A MONTH AGO. AND TODAY I EXPERIENCED THE CAR WHILE DRIVING AT 55MPH WHEN I WENT TO ACCELERATE TO GO THE SPEED LIMIT OF 65 ON THE MAJOR HIGHWAY GOING INTO SALISBURY, MD THAT THE CAR WOULDNT SPEED UP. AND ABOUT 30 SECONDS LATER THE TRANSMISSION SEEMED TO HAVE DOWN SHIFTED A COUPLE GEARS DUE TO THE RPMS GOING FROM 4600ISH RPM DOWN TO 2000 RPMS AND THAN THE CAR WENT BACK TO NOR…
2018 hyundai Elantra powertrain problems
moderate 23 complaints filed with NHTSA · avg repair $2,500
Complaints
23
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 3 most recent
What component or system failed or malfunctioned, and is it available for inspection upon request? The car began stalling and started to become unresponsive while I was driving to work. While I was not 100% sure of what component was malfunctioning at the time, I suspected that it might be a timing chain problem because I had this same exact issue happen to to this car back in January 2025. I did …
My daughter is in college in Tallahassee. About 4 months ago, she told me that when she presses the accelerator, the car doesn’t go as fast as it should. In July 2022, the car was serviced in Tallahassee at the dealership; however, none of this is reflected on the receipt. In November she came home to Palm Beach County, on her way back, she told me that she was having the same issue when she press…
Common questions
How serious is the powertrain problem on the 2018 hyundai Elantra?
It's a documented issue but not catastrophic. 23 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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