Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 16, 2026. Updated daily. Photo: Elise240SX, CC BY-SA 4.0.

Complaints by system

Where the 2018 Hyundai Elantra has problems

284 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine1429
Electrical system435
Power train240
Fuel/propulsion system191
Exterior lighting160
Steering160
Service brakes152
Structure151
Vehicle speed control130
13 other systems526

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

0 recalls

2018 Hyundai Elantra recalls and how many were fixed

No vehicle safety recalls are on record for this model year.

Mileage at failure

When do engine problems start?

38kmiles, median

Based on the odometer reading in 39 engine complaints. 82% were reported before 100,000 miles.

Only 32% of complaints for this model year include a mileage.

median0k50k100k150k200k+
16under 30k miles32under 100k miles7100k miles or more
Owner-reported costs

What owners say repairs cost

Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.

Engine

12 owners mentioned a cost

$4,279median

Middle half: $1,500 – $9,125

If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.

Best & worst years

2018 vs. every other Elantra year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Elantra median. How we score

'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2018 Hyundai Elantra safety ratings

2018 Hyundai Elantra 4 DR FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

★★★★★Overall rating
2018 Hyundai Elantra frontal crash test, NHTSA
Frontal crash★★★★★
2018 Hyundai Elantra side barrier test, NHTSA
Side barrier★★★★★
2018 Hyundai Elantra side pole test, NHTSA
Side pole★★★★★
  • Rollover: 4 stars (10.7% risk)
  • Stability control: Standard
  • Forward collision warning: Optional
  • Lane departure warning: Optional
In owners' words

What Elantra owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

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…
Complaint 11771561 · Oct 16, 2026
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!…
Complaint 11768382 · Oct 1, 2026
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…
Complaint 11759098 · Aug 24, 2026

Own a 2018 Elantra?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.