Steering Assist Malfunction

Recalls have targeted the steering assist system, specifically a software update for the R-MDPS (Rack-Mounted Power Steering) system. Failure could result in a sudden increase in steering effort, posing a loss of control risk. Estimated repair cost: $500 - $1,500.

Multiple recalls address potential fuel leaks from the fuel tank or fuel lines. These issues present a fire hazard and require prompt inspection and repair. Estimated repair cost: $300 - $1,000.

Airbag System Malfunctions

Several recalls concern the airbag system, including occupant classification sensors and side curtain airbags. Incorrect installation or sensor function can compromise occupant protection. Estimated repair cost: $200 - $800.

CARFOCALvehicle research

2021 Kia K5 Maintenance guide

Name: Maintenance dataset for 2021 Kia K5
Creator: Carfocal

v1.0Updated Jun 10, 2026Ethan Miller4 Sources Analyzed13 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Kia K5, with a 'Below Average' LLM reliability score of 6.5, demands diligent maintenance. Key concerns include potential automatic transmission failure due to oil pump malfunction and critical safety system recalls affecting steering assist, fuel systems, and airbags.

View Critical Issue: Automatic Transmission Failure

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

12 TSBs | 14 Recalls

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Key Takeaways

The 2021 Kia K5 has a 'Below Average' reliability verdict.
Significant recall activity impacts critical safety systems: airbags, fuel, and steering.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance