2018 Hyundai Elantra problems and complaints
Owners have filed 284 complaints with NHTSA about the 2018 Hyundai Elantra. The most-reported areas: Engine (142), Unknown Or Other (54), Electrical System (43).
Key takeaways
- 284 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.
| Component | Complaints | Share |
|---|---|---|
| Engine | 142 | 50% |
| Unknown Or Other | 54 | 19% |
| Electrical System | 43 | 15% |
| Power Train | 24 | 8% |
| Fuel/Propulsion System | 19 | 7% |
| Steering | 16 | 6% |
| Exterior Lighting | 16 | 6% |
| Structure | 15 | 5% |
| Service Brakes | 15 | 5% |
| Vehicle Speed Control | 13 | 5% |
| Air Bags | 12 | 4% |
| Wheels | 10 | 4% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2018 Hyundai Elantra
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Hyundai Elantra 4 DR FWD | 4/5 | 4/5 | 4/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Suspension,engine - filed 2026-10-16
engine mounts have been replaced already twice and they keep going bad last time was over a year ago and now it's bad again making noises vibrate and this replacement was done by the dealership with parts from Hyundai apparently under warranty and now warranty is almost done worries me that in a year without warranty i...
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...
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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.