Complaints indicate issues with the braking system, including loss of braking or sudden forward surging while braking. Estimated repair cost: $500 - $1,500.

While less frequent, reports of exploding sunroofs indicate a potential structural or glass defect. Estimated repair cost: $800 - $2,000.

2024 Toyota Sienna Maintenance guide

Name: Maintenance dataset for 2024 Toyota Sienna
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2024 Toyota Sienna presents a mixed reliability picture, with significant concerns around its service brakes and vehicle speed control systems. Owners should prioritize inspections of these areas.

View Critical Issue: Exploding Sunroof

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

5 TSBs | 2 Recalls

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Key Takeaways

Prioritize checks for service brakes and vehicle speed control due to frequent complaints.
The Sienna's hybrid system requires specific maintenance considerations.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance