Exterior Lighting Failures

Issues with headlights, turn signals, and other exterior lights are common. This includes condensation inside headlight housings, bulb burnout, and ballast failure, leading to reduced visibility and potential failure without warning. Estimated repair cost: $100 - $500.

Electrical System Malfunctions

Owners report various electrical gremlins, including battery drain, intermittent power loss, and issues with modules like the Generator Control Module (GCM). These can affect various vehicle functions and lead to unexpected shutdowns. Estimated repair cost: $200 - $1,000.

Suspension Noises and Wear

Complaints include issues with suspension components, particularly rear toe links which have been subject to recalls due to corrosion and potential fracture. Other suspension noises can indicate worn bushings or shocks. Estimated repair cost: $300 - $800.

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2012 Buick Regal Maintenance guide

Name: Maintenance dataset for 2012 Buick Regal
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2012 Buick Regal presents a below-average reliability profile, with significant concerns around its exterior lighting, engine oil consumption, and electrical systems. Proactive maintenance focusing on these areas is crucial.

View Critical Issue: Engine Oil Consumption and Timing Chain

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

1,144 TSBs | 6 Recalls

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Key Takeaways

Prioritize maintenance for exterior lighting, engine oil consumption, and electrical systems due to frequent complaints.
The 2012 Regal has a 'Below Average' reliability verdict.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance