Premature engine failure has been reported, sometimes requiring complete engine replacement. This can occur at higher mileages, but issues can manifest earlier. Estimated repair cost: $3,000 - $6,000+.

Turbocharger failures are noted, leading to power loss and diagnostic trouble codes. These can occur even after replacement with used parts. Estimated repair cost: $800 - $2,000.

Exhaust Flex Pipe Failure

Failure of the exhaust flex pipe can lead to exhaust leaks, affecting emissions sensors and potentially causing warranty issues. Estimated repair cost: $300 - $600.

Airbag System Malfunction

An isolated but severe complaint involved unintended airbag deployment, suggesting potential electrical system issues. Estimated repair cost: $500 - $1,500+.

Reports of a firm brake pedal and Hill Assist warnings suggest potential issues with the brake system, possibly related to ABS or hydraulic components. Estimated repair cost: $200 - $800.

CARFOCALvehicle research

2021 Buick Encore Maintenance guide

Name: Maintenance dataset for 2021 Buick Encore
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2021 Buick Encore, with an average reliability verdict, requires diligent maintenance, particularly concerning its engine and powertrain. Nine complaints highlight these areas, with 57 TSBs suggesting underlying complexity.

View Critical Issue: Engine Failure

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

57 TSBs | 0 Recalls

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Key Takeaways

The 2021 Buick Encore has an 'Average' reliability rating, with 9 complaints logged.
Engine and powertrain issues are the most frequent complaints, including turbocharger problems.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance