Unintended Acceleration / Vehicle Speed Control

Complaints indicate issues with vehicle speed control, including unintended acceleration. This can be related to throttle body issues, sensor malfunctions, or cruise control system faults. Estimated repair cost: $300 - $1,000.

Brake System Failures

Issues reported include service brake problems, potentially involving brake line failures or ABS/stability control malfunctions. These can lead to reduced stopping power or unpredictable braking behavior. Estimated repair cost: $400 - $1,200.

Early failures of engine mounts have been reported, leading to excessive vibration and noise. This can be a manufacturing defect or due to component wear. Estimated repair cost: $400 - $800.

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2011 Buick Lucerne Maintenance guide

Name: Maintenance dataset for 2011 Buick Lucerne
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2011 Buick Lucerne, with a 'Below Average' reliability verdict, demands vigilant maintenance, particularly concerning its prominent electrical system issues and potential brake problems. Owners should prioritize inspections of the rear fuse box and wiring for signs of melting due to seat bracket interference, a common cause of fire risk and no-start conditions.

View Critical Issue: Electrical System Fires / Fuse Box Melting

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

722 TSBs | 2 Recalls

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Key Takeaways

Prioritize inspection of the electrical system, particularly the rear fuse box and wiring, due to fire risk.
Regularly check brake system components for wear and leaks.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance