Buick LaCrosse Drivetrain (FWD/RWD/AWD/4WD)

The 2019 Buick LaCrosse is available in Front-Wheel Drive, All-Wheel Drive drivetrain configurations.

Latest model year (2019):

The Buick LaCrosse is offered in Front-Wheel Drive, All-Wheel Drive configurations, depending on trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Buick LaCrosse Drivetrain — All Years

YearTrimDriveTransmissionEngineMPG Comb.
2019Config 1 of 3Auto (S6), 4 cyl, 2.5 LFront-Wheel DriveAutomatic (S6)4 2.5L29
2019Config 2 of 3Auto (S9), 6 cyl, 3.6 LAll-Wheel DriveAutomatic (S9)6 3.6L23
2019Config 3 of 3Auto (S9), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S9)6 3.6L24
2018Config 1 of 3Auto (S9), 6 cyl, 3.6 LAll-Wheel DriveAutomatic (S9)6 3.6L23
2018Config 2 of 3Auto (S9), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S9)6 3.6L24
2018Config 3 of 3Auto 6-spd, 4 cyl, 2.5 LFront-Wheel DriveAutomatic 6-spd4 2.5L29
2017Config 1 of 2Auto (S8), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S8)6 3.6L25
2017Config 2 of 2Auto (S8), 6 cyl, 3.6 LAll-Wheel DriveAutomatic (S8)6 3.6L23
2016Config 1 of 4Auto (S6), 4 cyl, 2.4 LFront-Wheel DriveAutomatic (S6)4 2.4L28
2016Config 2 of 4Auto (S6), 6 cyl, 3.6 LAll-Wheel DriveAutomatic (S6)6 3.6L20
2016Config 3 of 4Auto (S6), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S6)6 3.6L21
2016Config 4 of 4Auto (S6), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S6)6 3.6L21
2015Config 1 of 4Auto (S6), 4 cyl, 2.4 LFront-Wheel DriveAutomatic (S6)4 2.4L28
2015Config 2 of 4Auto (S6), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S6)6 3.6L21
2015Config 3 of 4Auto (S6), 6 cyl, 3.6 LFront-Wheel DriveAutomatic (S6)6 3.6L21
2015Config 4 of 4Auto (S6), 6 cyl, 3.6 LAll-Wheel DriveAutomatic (S6)6 3.6L20

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Buick LaCrosse data analysis

How to read this Buick LaCrosse data

This page lists every 2015 through 2019 Buick LaCrosse record we hold for this measurement — 16 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Where these Buick LaCrosse figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Buick LaCrosse record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Frequently Asked Questions About LaCrosse Drivetrain

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

The Buick LaCrosse is available in Front-Wheel Drive, All-Wheel Drive. Drivetrain availability changes by model year and trim — the table above shows every combination.

Does the Buick LaCrosse come with AWD or 4WD?

Yes — all-wheel or four-wheel drive is available on the Buick LaCrosse. See the table above for the specific years and trims.

View full Buick LaCrosse specs

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