Common problems

Buick reliability and problems by model

Owners have filed 5,056 complaints about Buick models with NHTSA since 2010, and Buick has filed 56 warranty extensions. Pick a model to compare its model years.

From NHTSA's public data files, downloaded 2026-10-10.

Buick models

ModelComplaintsModel yearsMost complaintsMost named
Enclave1,7452010–20262014Airbags
LaCrosse9022010–20192012Electrical system
Regal6362010–20202011Engine
Encore6012013–20222015Engine
Verano4412012–20172013Electrical system
Envision2452016–20252017Electrical system
Encore GX2352020–20262020Electrical system
Lucerne1032010–20112010Electrical system
Envista952024–20262024Electrical system
Cascada532016–20192016Body and structure

Look up a Buick by VIN or model year

Recent Buick warranty extensions

The latest warranty extensions Buick filed with NHTSA, and the models they cover. Each model's page lists all of them.

  • Sep 2026· Engine· Encore GX

    Special Coverage. Certain 2020 model year Buick Encore GX vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Sep 2026· Engine· Encore GX

    Special Coverage. Certain 2021 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Sep 2026· Engine· Encore GX

    Special Coverage. Certain 2022 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Oct 2025· Engine· Encore GX

    Special Coverage. Certain 2020 model year Buick Encore GX vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Oct 2025· Engine· Encore GX

    Special Coverage. Certain 2021 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Oct 2025· Engine· Encore GX

    Special Coverage. Certain 2022 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Jun 2025· Engine· Enclave

    Special Coverage. Certain vehicles listed above may have a condition that could cause the mounting bracket on the front exhaust pipe to separate from the pipe.

  • Jan 2025· Engine· Encore GX

    Special Coverage. Certain vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Nov 2024· Engine· Encore GX

    Special Coverage. Certain vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail.

  • Jun 2024· Other or unspecified· Enclave

    Special Coverage - certain vehicles may have a condition that could cause the mounting bracket on the front exhaust pipe to separate from the pipe.

  • Jun 2024· Engine· Envision

    Special Coverage. Certain vehicles, equipped with a 2.0 gasoline engine (RPO LSY), may have a condition that could cause the evaporative emissions purge pump to fail.

  • May 2024· Electrical system· Enclave, LaCrosse, Regal, Verano, Encore, Cascada

    This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.