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2019 Buick LaCrosse

US · Midsize Cars

The 2019 Buick LaCrosse is listed in the US market. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
Varies by configuration: 3.6L 6-cylinder (SIDI), 2.5L 4-cylinder (SIDI; Mild Hybrid; eAssist)
Transmission
Automatic
Drivetrain
Varies by configuration: FWD, AWD
Fuel
Varies by configuration: Gasoline, Hybrid
Economy
23 mpg (10.2 L/100 km) to 29 mpg (8.1 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
3.6L 6-cylinder (SIDI), 2.5L 4-cylinder (SIDI; Mild Hybrid; eAssist)
Combined Economy
23 mpg (10.2 L/100 km) to 29 mpg (8.1 L/100 km) combined
Drivetrain
FWD, AWD
Transmission
Automatic
Market: US·Switch units to convert the figures shown.
Compare 2019 Buick LaCrosse ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 3.6L 6-cylinder (SIDI), 2.5L 4-cylinder (SIDI; Mild Hybrid; eAssist)
Displacement2.5 L to 3.6 L
Cylinders4 to 6
Fuel typeVaries by configuration: Gasoline, Hybrid

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears6 to 9
DrivetrainVaries by configuration: FWD, AWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined23 mpg (10.2 L/100 km) to 29 mpg (8.1 L/100 km)
City20 mpg (11.8 L/100 km) to 25 mpg (9.4 L/100 km)
Highway29 mpg (8.1 L/100 km) to 35 mpg (6.7 L/100 km)

Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 2 recall campaigns for this model year. Last checked November 9, 2026.

  • 20V668000: POWER TRAIN:AUTOMATIC TRANSMISSION

    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.

    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…

    Reported October 29, 2020. View on NHTSA

  • 18V576000: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

    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.

    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,…

    Reported August 30, 2018. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: November 4, 2026

Data verified: November 4, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

  • 2018 Buick LaCrosse

    Varies by configuration: Gasoline, Hybrid

    Varies by configuration: 3.6L 6-cylinder (SIDI), 2.5L 4-cylinder (SIDI; eAssist) · Varies by configuration: AWD, FWD
    29 mpg (8.1 L/100 km) to 23 mpg (10.2 L/100 km)

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Frequently asked questions

What engine does the 2019 Buick LaCrosse have?

Varies by configuration: 3.6L 6-cylinder (SIDI), 2.5L 4-cylinder (SIDI; Mild Hybrid; eAssist). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2019 Buick LaCrosse?

Combined fuel economy is 23 mpg (10.2 L/100 km) to 29 mpg (8.1 L/100 km), as published by the source shown in the specification table.

Is the 2019 Buick LaCrosse front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: FWD, AWD.

Are there recalls for the 2019 Buick LaCrosse?

NHTSA lists 2 recall campaigns for this model year (last checked November 9, 2026). Details are in the Recalls section.