Complaints indicate issues with the braking system, including loss of braking power and unintended parking brake engagement. These can occur early in the vehicle's life. Estimated repair cost: $500 - $1500.

Engine Issues (Auto Stop/Start)

Engine stalling or hesitation, often related to the auto stop/start system, is a recurring complaint. These can occur at low mileage. Estimated repair cost: $300 - $1000.

Issues related to the powertrain, including transmission performance and rough acceleration, have been reported. Some failures occur early in the vehicle's life. Estimated repair cost: $800 - $2500.

Electrical system glitches are reported, impacting various vehicle functions. Estimated repair cost: $200 - $800.

CARFOCALvehicle research

2018 Buick Enclave Maintenance guide

Name: Maintenance dataset for 2018 Buick Enclave
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2018 Buick Enclave, with 80 complaints and 406 TSBs, presents a below-average reliability trend. Key concerns include the service brakes (25% of complaints) and engine issues (15% of complaints), often appearing early in the vehicle's life.

View Critical Issue: Powertrain Concerns

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Reliability Score

Est. Annual Maintenance Cost

$700 - $1,200

TSBs & Recalls

406 TSBs | 0 Recalls

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Key Takeaways

The 2018 Buick Enclave has a 'Below Average' reliability verdict, supported by 80 complaints and 406 TSBs.
Service brakes are the most frequent complaint area (25%), with potential for early-life failures.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance