Complaints frequently describe sudden loss of power, stalling, and transmission issues including hesitation, rough shifting, or complete failure. These issues are often reported early in the vehicle's life. Estimated repair cost: $1,500 - $4,000.

Engine Stalling/Power Loss

Reports indicate engine stalling at low speeds or during operation, and a general loss of power. These issues can be linked to various factors including fuel delivery or ignition system problems. Estimated repair cost: $500 - $2,500.

Electrical System Issues

Complaints include battery drain and complete power loss, suggesting potential issues with the alternator, battery, or wiring harnesses. These can manifest as warning lights or non-starting conditions. Estimated repair cost: $200 - $1,000.

Forward Collision Avoidance: Automatic Emergency Braking

Reports of automatic emergency braking activating without cause, leading to sudden deceleration. This can be related to sensor calibration or system faults. Estimated repair cost: $500 - $1,500.

CARFOCALvehicle research

2021 Hyundai Santa Fe Maintenance guide

Name: Maintenance dataset for 2021 Hyundai Santa Fe
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed4 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Hyundai Santa Fe, with a 'Below Average' reliability verdict and 203 complaints, demands vigilant maintenance focused on its powertrain and engine systems. Expect potential issues like power loss and transmission problems, necessitating proactive checks.

Powertrain: Hybrid (HEV)

View Critical Issue: Powertrain Issues

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Reliability Score

Est. Annual Maintenance Cost

$300 - $500

TSBs & Recalls

10 TSBs | 14 Recalls

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Key Takeaways

Prioritize maintenance for the powertrain and engine, as these are the most frequent complaint areas.
Regularly inspect for transmission issues such as rough shifting or power loss.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance