2021 Kia Forte engine problems

Updated from NHTSA data · How we count

22 owners have reported engine problems with the 2021 Kia Forte, 32% of all complaints about this model year. The typical problem appeared around 93,532 mi.

Engine complaints
22
Crashes
0
Fires
0
Injuries
0
Related recalls
0
Median mileage
93,532 mi

Specific components reported

Engine covers: stalling, loss of power, oil consumption, overheating.

ComponentComplaints
Engine22

Engine complaints across Kia Forte years

4820102720111142012682013168201414420155320161412017572018392019232020222021620229202382024
Engine complaints by model year. The 2021 is highlighted.

Mileage when the problem appeared

Under 10k110k–30k30k–60k160k–100k1100k–150k150k+
Complaints that list mileage, grouped by odometer reading.

Related recalls

No recalls on file.

What owners say

  1. Filed Apr 24, 2026CAEngine
    Driving under normal conditions April 20,2026, on the way to school. Got off the freeway and the vehicle immediately shut-off and the check engine light came on. Vehicle was stuck partially in the roadway and would not move. Vehicle was towed to Kia dealership and they found that there was no oil in the engine and that the oil drain plug was completely missing. This problem caused catastrophic engine failure resulting in the need for a full engine replacement. A routine oil…
    NHTSA complaint #11733651 · source
  2. Filed Apr 18, 2026NCEngine
    To Whom It May Concern, I am submitting a formal complaint regarding a serious safety issue involving my 2021 Kia Forte. Approximately one year ago, I purchased this vehicle used with approximately 56,000 miles. I have owned the vehicle for nearly a year without prior incident until a recent and significant failure occurred. While driving on a highway after work, the vehicle suddenly lost engine power. The RPMs dropped abruptly, and the vehicle began decelerating rapidly…
    NHTSA complaint #11731999 · source
  3. Filed Mar 3, 2026125,000 miMDEngine
    The contact owns a 2021 Kia Forte. While driving at various speeds, the check engine warning illuminated. The vehicle would start to vibrate. The vibration was more evident while slowing down or stopping at traffic lights. The vibration and the warning light had become a recurring failure. After turning off and restarting the vehicle, the check engine warning light was cleared. However, lately, turning on and restarting the vehicle failed to clear the warning light.…
    NHTSA complaint #11721642 · source
  4. Filed Jan 22, 2026CAEngine
    Was currently stuck in slow walking traffic and once traffic began to progress the car overheated engine notice appeared. Pulled into a parking lot as soon as car was parked the vehicle turned off. This happened during the night and was an extremely traumatic experience! Car does have a diagnosis about the engine been blown. Still in the works of being fixed by the dealership. Very long process!
    NHTSA complaint #11712680 · source
  5. Filed Nov 1, 2025ALEngine
    I am writing to report a serious safety concern involving my Kia vehicle. Shortly after getting an oil change, my car began making unusual noises and then suddenly stopped working in the middle of a busy intersection. This unexpected stall created a dangerous situation for both myself and other drivers. After having it towed to the dealership, it comes down to an engine malfunction which was not covered by my warranty since it just hit 70,000 miles. I have since learned that…
    NHTSA complaint #11696940 · source
  6. Filed Aug 12, 2025NJEngine
    2021 Kia Forte VIN# [XXX] 107,000 miles While driving my Kia Forte on [XXX] i experienced a sudden noise without warning just 2 months to the exact date after an oil change. The vehicle became unsafe to operate and could not accelerate properly. In some cases it would no have it would feel like it was losing power and creating a scary and dangerous situation. A certified mechanic diagnosed there was no oil in my vehicle which matches the oil consumption defect identified in…
    NHTSA complaint #11680039 · source
  7. Filed Jul 9, 2025CTEngine
    My 2021 Kia forte GT is currently sitting in my driveway, undriveable. It started about 3months or so ago I had realized I was getting more and more frequent oil changes to the point where the car would be consuming a quart of oil in at least a week or less. Fast forward to this previous week, I now had a hard knock/rattle within my engine. The engine gave way on my way home which is a significant safety issue to myself and those who were driving around me. I have contacted…
    NHTSA complaint #11672183 · source
  8. Filed Jun 10, 202593,532 miOHTowedEngine
    The contact owns a 2021 Kia Forte. The contact stated while driving 65 MPH, there was an abnormal rattling sound coming from the engine compartment before the vehicle lost motive power. There was no warning light illuminated. The vehicle was towed to the dealer, where it was diagnosed and determined that the cylinders and pistons had failed, and the engine needed to be repaired or replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The…
    NHTSA complaint #11666013 · source
  9. Filed Mar 11, 2025FLEngine
    On Saturday, March 1, 2025, I took my 2021 Kia Forte LXS for a routine oil change. I had NO PRIOR issues, warning lights or anything with my vehicle. The oil change was performed. I then drove my vehicle less than 20 miles, the vehicle would then not accelerate and started to bog down. I was able to get my vehicle off the major I-4 interstate, however eventually the vehicle then shut down. The vehicle now will still start however is making this terrible clicking noise. I…
    NHTSA complaint #11647666 · source
  10. Filed Nov 20, 2024TXEngineFuel, Hybrid & EV PropulsionOther / Unknown
    This car was sold to me without disclosing that the manufacture failed to have a engine security system on the car to at least "deter" auto theft.If the key to the car was programmed/chipped like other cars, it would provide at least some level of protection. I've already stopped car thieves from trying to steal it once by pure luck, but I'm like the thousands out there constantly worried that someone's going to try to take it in lieu of the social media challenges.The…
    NHTSA complaint #11626477 · source
  11. Filed Jun 10, 2024TXEngineOther / Unknown
    I purchased this care new, and the manufacture did not disclose that the vehicle was NOT made with an engine immobilizer, or any theft prevention outside a basic door lock. (Kia Hyundai Vehicle Theft Marketing, Sales Practices, and Products Liability Litigation, No. 8:22-ML-3052 JVS(KESx) (C.D. Cal.). I've already stopped the theft once and scared away the thief's, but now I can't find insurance companies to insure the vehicle. The 2 companies that I did find for insurance,…
    NHTSA complaint #11593565 · source
  12. Filed Jan 11, 2024TXEngine
    While driving on the interstate, multiple dash lights came on, the engine started knocking and shutting down. The vehicle was towed to the dealership and was found that the oil plug had fallen out, causing the oil to drain out and ruin the motor.
    NHTSA complaint #11564996 · source

Other 2021 Kia Forte problem areas

  • Other / Unknown (20)
  • Steering (9)
  • Electrical System (8)
  • Airbags (7)
  • Transmission & Drivetrain (7)
  • Seats & Seat Belts (5)
  • Driver Assistance & Safety Tech (4)
  • Fuel, Hybrid & EV Propulsion (3)
  • Body & Structure (3)
  • Wheels & Tires (3)
  • Brakes (2)
  • Visibility & Wipers (1)
  • Lighting (1)
  • Acceleration & Cruise Control (1)

Back to all 2021 Kia Forte problems →

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology