There are 6 owner-reported engine complaints for the 2018 Hyundai Accentin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
EXCESSIVE OIL CONSUMPTION = ENGINE FAILURE + NO WARRANTY HONORER
I have to check my oil every other day. For some reason my car is sucking up all the oil and I don’t believe I should be putting oil in it every other day.
The contact owns a 2018 Hyundai Accent. The contact stated that while driving at an undisclosed speed, the vehicle stalled, with the check engine and the low oil warning lights illuminated. The vehicle was able to be restarted. The vehicle was taken to the dealer but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 144,801. The VIN was not available.
My 2018 Hyundai Accent had to recalls when purchased with a auto loan January 2021, In June 2021 the vehicle caught fire and exploded in the motion. Vehicle had been serviced for brake rear drums, 2 diagnostics before June. Fire department ruled fire as electrical.
ACCELERATOR PEDAL THAT IS TOO SENSITIVE. WITH THE ENGINE RUNNING AND I START TO ACCELERATE FROM STATIONARY, THE ACCELERATOR PEDAL HAS AN INITIAL SURGE IN POWER THAT WAS NOT INTENDED BY USER INPUT. THIS COULD CAUSE THE CAR TO BE OUT OF THE USERS CONTROL MOMENTARILY AND COULD CAUSE AN ACCIDENT IF THE DRIVER DOES NOT ALLOW FOR THIS ISSUE. I HAVE RUN SOME DIAGNOSTIC TOOLS ON THIS VEHICLE AND CAN CONFIRM THE ENGINE IS NOT DOING WHAT THE ACCELERATOR PEDAL COMMANDED IT TO DO. I CAN SEE ABOUT 1% PEDAL INPUT BUT I SEE ABOUT 10% ON ENGINE THROTTLE RESPONSE. THIS ISSUE IS PERSISTENT. THE ACCELERATOR PEDAL IS ALMOST LINEAR IF THEE ENGINE IS ON BUT NOT RUNNING
DEALER: COCONUT CREEK AUTO MALL 4960 NORTH STATE RD, COCONUT CREEK, FL 33073. I --PURCHASED A NEW 2018 HYUNDAI ACCENT ON MARCH 15TH, THE CAR'S MOTOR AFTER SEVERAL HOURS STARTED JERKING WHEN THE CAR CAME TO A STOP, THE REVOLUTION NEEDLED STARTED SPIKING. THE CAR STARTED TO SHAKE. - I RETURNED THE MARCH 15TH CAR (1ST CAR)BACK TO THE DEALER, THEY GAVE ME ANOTHER (2ND) NEW HYUNDAI ACCENT 2018. WE DROVE THE CAR HOME, AFTER SEVERAL HOUR THE SAME PROBLEM, THE 2ND CAR STARTED JERKING/SHAKING. WE WENT BACK TO THE DEALER ON 3/16/18, EXPLAINED THE ISSUE AND TOLD THE DEALER THAT HYUNDAI SHOULD CHECK INTO THIS MOTOR JERKING/SHAKING BECAUSE IT MAY BE A MECHANICAL OR DESIGN RELATED ISSUE WHICH CAN REPRESENT A SAFETY HAZARD FOR THOSE NOT AWARE OF THE PROBLEM. IN SUMMARY; 2 CARS IN A PERIOD OF 3 DAYS WITH THE SAME SAFETY HAZARD MECHANICAL PROBLEMS. IF YOU GOOGLE THE WEB YOU WILL NOTICE THIS IS NOT A NEW PROBLEM PEOPLE ARE/HAVE EXPERIENCE WITH HYUNDAI CARS. GOOGLE AND YOU WILL READ FOR YOURSELF ## VIN PASSED ## HYUNDA ACCENT 2018 ##
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026