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2021 Hyundai Kona
Common Problems

Ranked from 52 federal NHTSA complaints and 1 recalls. Every problem links to the complaint IDs behind it.

1
Safety
4
High severity
6
Medium
1 problem on this vehicle involve a crash, fire, or injury risk. If you are experiencing one, stop driving and have it inspected.

11 Common Problems

Ordered by how often owners reported each one to NHTSA. The bar shows how common a problem is relative to the most-reported on this vehicle. Expand any problem to see the federal complaint IDs.

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  1. 1

    Engine Stall and Loss of Power

    15complaints
    Safety riskEngine

    The engine stalls unexpectedly while driving, often at low speeds or during acceleration, leading to loss of power.

    $150–$1,200est. stalling / shutdown diagnosis + repair · 15 hrs labor
    Get local quotes

    Related recall: 21V301000

  2. 2

    Engine Knocking and Unusual Noises

    12complaints
    High severityEngine

    The engine produces knocking and unusual noises, often accompanied by oil consumption and engine light illumination.

    Related recall: 21V301000

  3. 3

    Engine Oil Consumption and Piston Ring Failure

    10complaints
    High severityEngine

    The engine consumes an excessive amount of oil, leading to piston ring failures and potential engine damage.

    $400–$4,500est. oil-consumption repair (rings/pcv) · 314 hrs labor
    Get local quotes

    Related recall: 21V301000

  4. 4

    Engine Stall at Idle Due to Stop-Start System Failure

    8complaints
    Medium severityEngine

    The engine frequently stalls at idle, especially when the stop-start system is engaged.

    $150–$900est. stop-start system diagnosis · 14 hrs labor
    Get local quotes

    Related recall: 21V301000

  5. 5

    Engine Overheating and Oil Consumption

    7complaints
    High severityEngine

    The engine overheats and consumes excessive amounts of oil, leading to potential engine failure.

    $400–$4,500est. oil-consumption repair (rings/pcv) · 314 hrs labor
    Get local quotes

    Related recall: 21V301000

  6. 6

    Steering Column Noise and Issues

    7complaints
    Medium severitySteering

    The steering column produces noise and may have bearing or rack and pinion problems, affecting vehicle stability.

    $200–$1,500est. power-steering / eps repair · 16 hrs labor
    Get local quotes
  7. 7

    Transmission Jerking and Downshifting Issues

    7complaints
    Medium severityTransmission

    The transmission jerks and downshifts unexpectedly, causing the vehicle to lunge forward and lose power.

    $200–$2,500est. drivetrain diagnosis + repair · 18 hrs labor
    Get local quotes
  8. 8

    Check Engine Light and Unintended Downshifting

    5complaints
    Medium severityTransmission

    The check engine light illuminates, indicating issues such as unintended downshifting, which can lead to loss of control.

    $200–$2,500est. drivetrain diagnosis + repair · 18 hrs labor
    Get local quotes
  9. 9

    Engine Failure and Complete Shutdown

    5complaints
    High severityEngine

    The engine fails completely while driving, leading to a loss of power and inability to restart the vehicle.

    $4,000–$8,000est. engine replacement · 1220 hrs labor
    Get local quotes

    Related recall: 21V301000

  10. 10

    Transmission Not Engaging Properly

    5complaints
    Medium severityTransmission

    The transmission does not engage properly, resulting in delayed response and loss of power.

    $200–$2,500est. drivetrain diagnosis + repair · 18 hrs labor
    Get local quotes
  11. 11

    Engine stall during driving due to recall repair delay

    4complaints
    Medium severityEngine

    Multiple contacts reported engine stalling during driving, attributing it to the delayed availability of parts for a recall repair.

    $150–$1,200est. stalling / shutdown diagnosis + repair · 15 hrs labor
    Get local quotes

    Related recall: 21V301000

Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls. Problems are clustered and ranked from the complaint record; occurrence counts reflect corroborating complaints, not total incidence. Vehicle image is illustrative. Repair-cost figures are typical U.S. independent-shop ranges (parts + labor) for the class of repair shown — actual quotes vary by region, engine, and diagnosis; always confirm with a local shop.