2023 Hyundai Elantra engine problems
16 owner complaints filed with NHTSA name the engine on the 2023 Hyundai Elantra — 18% of all complaints for this model year.
What owners report
“I purchased a 2023 Hyundai Elantra Hybrid 2023 on December 15, 2023, and since early ownership I have experienced persistent jerking/clunking while slowing to a stop, harsh downshifts, hesitation during braking, and rough transitions between electric and engine power. The issue was first documented…”
filed May 18, 2026
“The contact owns a 2023 Hyundai Elantra. The contact stated that while the vehicle was at a full stop, the brake pedal was released, and the vehicle surged forward before the accelerator pedal was depressed. The contact stated that the failure was intermittent. There were no warning lights…”
filed Apr 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Some Elantra (CN7, CN7A), Kona (OS, SX2), and Sonata Hybrid (DN8 HEV) vehicles equipped with 2.0L engines may illuminate a warning lamp for DTC P218100 (Cooling System Performance) related to the Integrated…
25-EM-007H TSB · Service Bulletin/Repair Instructions · issued Dec 18, 2025
Engine problems in other Elantra years
| Year | Reports | Share |
|---|---|---|
| 2025 Elantra | 3 | 14% |
| 2024 Elantra | 8 | 15% |
| 2022 Elantra | 10 | 10% |
| 2021 Elantra | 13 | 10% |
| 2020 Elantra | 101 | 42% |
| 2019 Elantra | 128 | 52% |
| 2018 Elantra | 139 | 50% |
| 2017 Elantra | 286 | 38% |
| 2016 Elantra | 109 | 38% |
| 2015 Elantra | 90 | 35% |
| 2014 Elantra | 162 | 43% |
| 2013 Elantra | 233 | 18% |
Other reported problem areas on the 2023 Hyundai Elantra
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.