Electrical System Anomalies

Reports of general electrical system issues, which can manifest in various ways, affecting vehicle operation and potentially leading to unexpected behavior. Estimated repair cost: $200 - $1,000+.

Powertrain Issues (Sudden Deceleration)

Some owners have reported sudden deceleration or hesitation, suggesting potential issues within the powertrain or transmission control systems. Estimated repair cost: $500 - $2,000+.

Forward Collision Avoidance Warnings

Isolated reports of the forward collision avoidance system issuing warnings, potentially indicating sensor or calibration issues. Estimated repair cost: $300 - $1,500+.

CARFOCALvehicle research

2021 Acura ILX Maintenance guide

Name: Maintenance dataset for 2021 Acura ILX
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2021 Acura ILX, with 13 complaints logged and an average reliability verdict, requires diligent attention to potential airbag system anomalies and electrical gremlins. Regular maintenance, focusing on fluid changes and inspections, is crucial for mitigating these risks and ensuring longevity.

View Critical Issue: Airbag System Malfunctions

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

1 TSBs | 0 Recalls

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Key Takeaways

The 2021 Acura ILX has an average reliability rating, with no recalls but 13 logged complaints.
Key areas of concern include the airbag system and general electrical issues.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance