Hybrid System Failure due to Road Debris

The design of the front grille allows road debris to puncture the hybrid inverter radiator, leading to coolant leaks and system failure. This is a critical concern that can occur at any mileage. Estimated repair cost: $800 - $1,500.

Instrument Panel and Rearview Camera Malfunctions

Recalls have been issued for software errors affecting the instrument cluster and rearview camera display. These issues can compromise driver awareness and safety. Estimated repair cost: $0 (Recall).

Hood Flutter/Vibration

Owners have reported significant hood flutter, which can be a distraction and a potential safety concern. Estimated repair cost: $100 - $300.

Fuel Gauge Inaccuracy / Range Anxiety

Some owners experience issues with the fuel gauge and system, leading to uncertainty about remaining range and requiring more frequent refueling. Estimated repair cost: $200 - $500.

2025 Toyota Grand Highlander Maintenance guide

Name: Maintenance dataset for 2025 Toyota Grand Highlander
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2025 Toyota Grand Highlander requires diligent maintenance, particularly concerning its hybrid system's vulnerability to road debris impacting the inverter radiator, a known failure point. Owners should prioritize regular inspections of the front grille area for debris and potential damage.

Powertrain: Hybrid (HEV)

View Critical Issue: Panoramic Sunroof Shattering

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Reliability Score

Est. Annual Maintenance Cost

$1,500 - $2,500

TSBs & Recalls

17 TSBs | 157 Recalls

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Key Takeaways

The 2025 Toyota Grand Highlander has a "Below Average" reliability rating, with a high number of recalls and customer complaints.
A critical concern is the hybrid system's vulnerability to road debris damaging the inverter radiator, leading to potential power loss.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance