2018 Hyundai Elantra GT engine problems

What owners report

• “I am seeking legal assistance regarding an engine failure in my Hyundai and Hyundai’s refusal to cover the replacement. I purchased the vehicle from a used-car dealership in Walpole, Massachusetts, on April 22, 2024. At the time of purchase, I was not informed that the vehicle had a known engine…”

  filed Sep 14, 2026

• “The vehicle is experiencing engine-related excessive oil consumption, which has led to failure of the catalytic converter and emissions system. The root issue appears to be an internal engine defect causing oil to burn during operation. Yes, the vehicle is available for inspection upon request…”

  filed Apr 13, 2026

• “Engine consumes large amount of oil requiring oil refill every week, without turning on check engine and/or engine oil light. Raising the chances to cause accidents due to engine failure while driving, and requiring mechanical intervention to rebuild the engine or a total engine swap. There are over 40 other…”

  filed Jan 16, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related service bulletins

• This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H-2 (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the…

  26-01-033H TSB · Warranty Program/Extension · issued Mar 26, 2026

• This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest…

  26-01-033H DN · Warranty Program/Extension · issued Mar 26, 2026

Engine problems in other Elantra GT years

Other reported problem areas on the 2018 Hyundai Elantra GT