TransmissionMedium
9-speed automatic harsh or delayed shifts.
- Typically appears
- Any
- What to inspect
- Test-drive through low-speed shifts.
2018–2024 Buick Enclave · common problems & known faults
The Enclave is a plush three-row SUV. It's comfortable and generally solid, sharing components (and issues) with GM siblings.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
Quick answer
The most commonly reported faults on the 2018–2024 Buick Enclave are 9-speed automatic harsh or delayed shifts, 3.6L V6 timing-chain wear and stop/start faults and Electronic parking-brake and ABS module faults. Most reported issues are medium or low severity, but a pre-purchase inspection is still recommended. Full inspection points, onset mileage and what to check are listed below.
Reliability snapshot
Based on the documented faults on this page for the Buick Enclave.
8.1/ 10
- Critical
- 0
- High
- 0
- Medium
- 3
- Low
- 1
Guidance only · reflects reported patterns, not a specific car's condition.
Known faults to check
EngineMedium
3.6L V6 timing-chain wear and stop/start faults.
- Typically appears
- 80,000+ miles
- What to inspect
- Listen for chain rattle on start; test stop/start.
ElectricalLow
Infotainment reboots and camera faults.
- Typically appears
- Any
- What to inspect
- Test the screen and cameras.
BrakesMedium
Electronic parking-brake and ABS module faults.
- Typically appears
- Any
- What to inspect
- Check for warning lights; test the parking brake.
Inspecting a Buick Enclave?
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Check this exact carFrequently asked questions
Is the Buick Enclave reliable?
Average for a large SUV — comfortable, with transmission and V6 points to check.
Does the Enclave have transmission problems?
Some rough 9-speed shifting is reported; test-drive carefully.
What should I check on a used Enclave?
Transmission feel, timing-chain noise, brakes and electronics.
Sources & further reading
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.