2018 Buick LaCrosse

The Verdict

Worst problem area

Electrical

Electrical leads by volume: 5 of 12 complaints (42%) mention it.

Complaints filed fell from 34 in 2017 to 12 in 2018.

Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology

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Cost, Fuel Economy & Complaint History

Fuel cost, fuel economy, and complaint history by model-yearScroll sideways to see all 4 years. Fuel figures show the range across trims for years with more than one EPA-rated configuration.
Category2016201720182019vs. 2018 Midsize Cars
Annual fuel cost ($)2,250–3,1002,500–2,7002,150–2,7002,150–2,700
Combined MPG20–2823–2523–2923–29
City / Highway MPG17–24 / 26–3520–21 / 29–3120–25 / 29–3520–25 / 29–35
CO₂ tailpipe (g/mi)312–441360–378306–386308–383
Complaints filed4834126Not compared
Recalls issued2232Not compared
Crash-involved complaints5000Not compared
Fire-involved complaints2000Not compared
Injuries reported3000Not compared
Deaths reported0000Not compared
Configurations compared4233

Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.

Common questions

How many recalls does the 2018 Buick LaCrosse have?

3 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.

What is the most common complaint about the 2018 Buick LaCrosse?

Electrical: 5 of 12 NHTSA complaints (42%) mention it.

What gas mileage does the 2018 Buick LaCrosse get?

EPA rates it 23–29 MPG combined across 3 configurations.

How much does it cost to fuel a 2018 Buick LaCrosse?

EPA estimates $2,150–$2,700 a year in fuel costs, using EPA's assumptions.

EPA-Rated Configurations (3)

Every EPA-rated configuration on this page, one row each.A number tagged (low) or (high) is this page’s own cost-table figure of that name, above.
ConfigurationTransmissionCylindersDisplacementDrivetrainFuel TypeVehicle ClassCityHighwayCombinedAnnual Fuel CostCO₂
Configuration 1Automatic (S9)63.6LAll-Wheel DriveRegularMidsize Cars20 mpg (low)29 mpg (low)23 mpg (low)$2,700 (high)386 g/mi (high)
Configuration 2Automatic 6-spd42.5LFront-Wheel DriveRegularMidsize Cars25 mpg (high)35 mpg (high)29 mpg (high)$2,150 (low)306 g/mi (low)
Configuration 3Automatic (S9)63.6LFront-Wheel DriveRegularMidsize Cars21 mpg30 mpg24 mpg$2,600367 g/mi

Complaints by Category

Complaints by category, in the same fixed order on every page
CategoryComplaintsCrash-InvolvedFire-InvolvedInjuriesDeaths
Engine40000
Transmission & Drivetrain30000
Fuel System30000
Electrical50000
Brakes10000
Steering00000
Suspension, Wheels & Tires00000
Airbags & Restraints00000
Driver Assistance & Speed Control20000
Body, Seats & Latches00000
Visibility & Lighting00000
Other10000

A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.

Recalls (3)

  • POWER TRAIN:AUTOMATIC TRANSMISSION · Campaign 20V668000 · Oct 29, 2020

    Defect: 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 Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.

    Consequence: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.

    Remedy: 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 contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.

  • SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · Campaign 18V576000 · Sep 5, 2018

    Defect: 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 rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.

    Consequence: A reduction of braking performance can increase the risk of a crash.

    Remedy: 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 customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.

  • FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP · Campaign 18V358000 · Jun 4, 2018

    Defect: 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 pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.

    Consequence: A damaged fuel line can create a fuel leak, increasing the risk of a fire.

    Remedy: 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 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.