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NHTSA-Verified · Common Problems

2023 Kia K5
Common Problems

Ranked from 53 federal NHTSA complaints and 1 recalls. Every problem links to the complaint IDs behind it.

1
Safety
2
High severity
8
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

    Fuel Tank Expansion

    15complaints
    High severityFuel system

    The fuel tank expands beyond normal specifications, causing structural damage and posing a safety hazard.

    $300–$1,200est. fuel line/tank repair · 2–6 hrs labor
    Get local quotes

    Related recall: 25V794000

  2. 2

    Fuel System Malfunction

    6complaints
    Medium severityFuel system

    The fuel system experiences issues such as fuel odor, incorrect fuel gauge readings, and fuel leakage.

    Related recall: 25V794000

  3. 3

    Structural Issues

    6complaints
    Medium severityOther

    Various structural components such as trim pieces and sunroof panels detach or fail without external impact.

  4. 4

    Brake System Failure

    5complaints
    High severityBrakes

    The brake system fails, causing the vehicle to lose control or not stop properly, increasing the risk of accidents.

    $150–$1,000est. brake system diagnosis + repair · 1–4 hrs labor
    Get local quotes
  5. 5

    Airbag Deployment Failure

    4complaints
    Safety riskElectrical

    The airbags fail to deploy during a collision, increasing the risk of injury or death.

  6. 6

    Electrical System Issues

    4complaints
    Medium severityElectrical

    Electrical systems display issues such as check engine lights, sensor malfunctions, and warning lights.

  7. 7

    Engine Performance Issues

    4complaints
    Medium severityEngine

    The engine experiences performance issues such as stalling, losing power, and unexpected shutdowns, reducing vehicle reliability.

  8. 8

    Recall Non-Compliance

    4complaints
    Medium severityOther

    Issues arise from non-compliance with manufacturer recalls, leading to unresolved safety concerns.

  9. 9

    Sunroof Malfunction

    4complaints
    Medium severityOther

    The sunroof malfunctions, causing it to explode or detach while driving, posing a safety risk.

  10. 10

    Unusual Dashboard Alerts

    4complaints
    Medium severityElectrical

    Unusual dashboard alerts and lights illuminate, indicating potential electrical system failures or issues with the engine control system.

  11. 11

    Seating Issues

    3complaints
    Medium severityOther

    Seats experience malfunctions such as displacement or detachment during normal operation.

Other years & sources

2021 Kia K5All NHTSA complaints for this vehicle →

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.