2018 Buick LaCrosse Problems, Recalls & Reliability

19 owner complaints sit in the federal file for the 2018 Buick LaCrosse, alongside 3 recall campaigns and 0 defect investigations. It scores 3/100 on the trouble index — too lightly reported for a fair score.

19Complaints
3/100Trouble index
3Recalls

Few reports

Where 2018 sits among all LaCrosse years

Darker = quieter yearsBrighter amber = more trouble

What owners report

Electrical 5 complaints (26%)
Engine 4 complaints (21%)
Fuel system 3 complaints (16%)
Transmission & drivetrain 3 complaints (16%)
Speed control 2 complaints (11%)
Other 1 complaints (5%)

Recalls (3)

POWER TRAIN 20V668000 2020

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC…

Fix: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may…

SERVICE BRAKES, HYDRAULIC 18V576000 2018

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The…

Fix: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac…

FUEL SYSTEM, GASOLINE 18V358000 2018

General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel…

Fix: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at…

Technical service bulletins

990 manufacturer communications — service bulletins, the biggest share on engine and electrical — are on file for the 2018 Buick LaCrosse. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

See the 2018 LaCrosse TSB list →

Complaint history for this model year

When owners filed their reports — a long tail means problems kept surfacing for years.

2018peak 5 in 20232025

Questions buyers ask

Is the 2018 Buick LaCrosse reliable?

The 2018 Buick LaCrosse drew 19 complaints in federal safety records — too lightly reported for a fair score. Its trouble index is 3/100, scored against the model's worst year (2006).

What are the most common 2018 Buick LaCrosse problems?

The top reported problems for the 2018 Buick LaCrosse are electrical (5 complaints), engine (4), and fuel system (3).

Does the 2018 Buick LaCrosse have recalls?

3 recall campaigns apply to the 2018 Buick LaCrosse. Recall repairs are free at any franchised dealer.

← 2017 LaCrosse All LaCrosse years 2019 LaCrosse →
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.