2018 Hyundai Elantra problems and complaints

Owners have filed 283 complaints with NHTSA about the 2018 Hyundai Elantra. The most-reported areas: Engine (141), Unknown Or Other (54), Electrical System (43).

Key takeaways

  • 283 owner complaints on file with NHTSA.
  • 12 involve a crash, 7 a fire, 6 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine14150%
Unknown Or Other5419%
Electrical System4315%
Power Train248%
Fuel/Propulsion System197%
Steering166%
Exterior Lighting166%
Structure155%
Service Brakes155%
Vehicle Speed Control135%
Air Bags124%
Wheels104%

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

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2018 Hyundai Elantra 4 DR FWD4/54/54/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Engine - filed 2026-10-01

While driving the engine light came off and car shut down instantly. I see there is issues with the 2018 Hyundai Elantra but I’m coming ot if picket. $7678.50 I purchased the vehicle I. ZMay and purchased a standard warranty that covers $2500 per repair. I have a 30/3 Tucson and love that vehicle! This one! Not so muc...

Steering - filed 2026-09-19

Steering keeps locking up steering wheel light light and other lights in my dashboard came on which caused my back camera to stop working took it to dealership got a diagnosis it appeared nothing was wrong which they calibrated it and fixed the problem for a month and it started back to the same problem again called th...

Engine - filed 2026-08-24

After the car was started, I drove 3 houses over when there was a loud knocking sound and the car just shut off. When trying to restart it wouldn't and the check engine, battery, and oil lights came on. After pushing it out of the road we checked the oil and it was empty. The oil has just been changed less than 2 month...

Diagnose it yourself

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

More for the 2018 Hyundai Elantra

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.