2018 Hyundai Elantra Problems, Recalls & Reliability

405 owner complaints sit in the federal file for the 2018 Hyundai Elantra, alongside 0 recall campaigns and 0 defect investigations. It scores 19/100 on the trouble index — one of this model's quieter years. Engine leads the reports, typically around 42,250 miles.

One of the quieter years. Relative to its siblings, the 2018 Hyundai Elantra has drawn well-below-average complaint volume with at least four years on the road.

405Complaints
19/100Trouble index
0Recalls
36,668Typical trouble mileage

Better year

Where 2018 sits among all Elantra years

Darker = quieter yearsBrighter amber = more trouble

What owners report

Engine 143 complaints (35%) · typically ~42,250 miles
“Engine completely out of oil. Only owned the car for 9 months. No warning lights no check engine lights just completely stalled on the freeway. Now has a very loud engine knock and needs a new engine”— owner report to NHTSA, 2018 Elantra
Electrical 59 complaints (15%) · typically ~13,000 miles
“The rear lights, brake and tail lights , burn out frequently. Now the brake light wiring has melted. Had it repaired twice!!”— owner report to NHTSA, 2018 Elantra
Other 54 complaints (13%) · typically ~35,000 miles
“Car isn’t starting just changed the started two years ago after it failed now it’s not starting we have gas in it and it won’t start”— owner report to NHTSA, 2018 Elantra
Transmission & drivetrain 24 complaints (6%)
Fuel system 23 complaints (6%)
Brakes & stability 15 complaints (4%)

Mileage when trouble shows up

Among the 109 reports that include an odometer reading, problems most often appear around 36,668 miles. Half of those reports fall between 12,000 and 66,000 miles — a useful range to weigh against the mileage of the exact car you're looking at.

Recalls

No recall campaigns on file for the 2018 Hyundai Elantra.

Technical service bulletins

120 manufacturer communications — service bulletins, the biggest share on electrical and engine — are on file for the 2018 Hyundai Elantra. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

See the 2018 Elantra TSB list →

Complaint history for this model year

When owners filed their reports — a long tail means problems kept surfacing for years.

2018peak 76 in 20222026

Questions buyers ask

Is the 2018 Hyundai Elantra reliable?

The 2018 Hyundai Elantra drew 405 complaints in federal safety records — one of this model's quieter years. Its trouble index is 19/100, scored against the model's worst year (2013).

What are the most common 2018 Hyundai Elantra problems?

The top reported problems for the 2018 Hyundai Elantra are engine (143 complaints), electrical (59), and other (54).

At what mileage do 2018 Hyundai Elantra problems show up?

Owners most often report 2018 Hyundai Elantra problems around 36,668 miles. Half of all reports that include an odometer reading fall between 12,000 and 66,000 miles.

Does the 2018 Hyundai Elantra have recalls?

No recall campaigns are on file for the 2018 Hyundai Elantra. Recalls can be issued at any time, so check the VIN before buying.

← 2017 Elantra All Elantra years 2019 Elantra →
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.