2018 Hyundai Elantra vehicle speed control problems
13 owner complaints filed with NHTSA name the vehicle speed control on the 2018 Hyundai Elantra — 5% of all complaints for this model year.
What owners report
“The dealership replaced my engine and spark plugs when the pistons were grinding metal causing a catastrophic failure in November of 2024. In July of 2025 I started experiencing the same issues and the dealership stated that Hyundais ignition coils have a high rate of failure because they changed…”
filed Oct 9, 2025
“Engine is knocking cannot find a solution for this problem car stalls wen coming to a stop the car completely powers off , noticing a weird smell now ,”
filed Oct 28, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Elantra years
| Year | Reports | Share |
|---|---|---|
| 2025 Elantra | 1 | 5% |
| 2024 Elantra | 6 | 12% |
| 2023 Elantra | 4 | 4% |
| 2022 Elantra | 2 | 2% |
| 2021 Elantra | 10 | 8% |
| 2020 Elantra | 13 | 5% |
| 2019 Elantra | 4 | 2% |
| 2017 Elantra | 23 | 3% |
| 2016 Elantra | 18 | 6% |
| 2015 Elantra | 15 | 6% |
| 2014 Elantra | 27 | 7% |
| 2013 Elantra | 50 | 4% |
Other reported problem areas on the 2018 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.