Buick LaCrosse Transmission
The 2019 Buick LaCrosse uses Automatic (S6), Automatic (S9), Automatic 6-spd and other transmissions, depending on engine and trim.
Latest model year (2019):
The Buick LaCrosse comes with Automatic (S6), Automatic (S9) depending on engine and trim.
Buick LaCrosse Transmission — All Years
| Year | Trim | Engine | Transmission | Drive | MPG Comb. |
|---|---|---|---|---|---|
| 2019Config 1 of 3 | Auto (S6), 4 cyl, 2.5 L | 4 2.5L | Automatic (S6) | Front-Wheel Drive | 29 |
| 2019Config 2 of 3 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Automatic (S9) | All-Wheel Drive | 23 |
| 2019Config 3 of 3 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Automatic (S9) | Front-Wheel Drive | 24 |
| 2018Config 1 of 3 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Automatic (S9) | All-Wheel Drive | 23 |
| 2018Config 2 of 3 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Automatic (S9) | Front-Wheel Drive | 24 |
| 2018Config 3 of 3 | Auto 6-spd, 4 cyl, 2.5 L | 4 2.5L | Automatic 6-spd | Front-Wheel Drive | 29 |
| 2017Config 1 of 2 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Automatic (S8) | Front-Wheel Drive | 25 |
| 2017Config 2 of 2 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Automatic (S8) | All-Wheel Drive | 23 |
| 2016Config 1 of 4 | Auto (S6), 4 cyl, 2.4 L | 4 2.4L | Automatic (S6) | Front-Wheel Drive | 28 |
| 2016Config 2 of 4 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Automatic (S6) | All-Wheel Drive | 20 |
| 2016Config 3 of 4 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Automatic (S6) | Front-Wheel Drive | 21 |
| 2016Config 4 of 4 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Automatic (S6) | Front-Wheel Drive | 21 |
| 2015Config 1 of 4 | Auto (S6), 4 cyl, 2.4 L | 4 2.4L | Automatic (S6) | Front-Wheel Drive | 28 |
| 2015Config 2 of 4 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Automatic (S6) | Front-Wheel Drive | 21 |
| 2015Config 3 of 4 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Automatic (S6) | Front-Wheel Drive | 21 |
| 2015Config 4 of 4 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Automatic (S6) | All-Wheel Drive | 20 |
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 Transmission
What transmission does the Buick LaCrosse have?
The Buick LaCrosse is offered with Automatic (S6), Automatic (S9), Automatic 6-spd, Automatic (S8) (2019 and earlier model years). Availability depends on engine and trim — see the year-by-year table above.
Does the Buick LaCrosse come with a manual transmission?
No manual transmission is listed for the Buick LaCrosse in the EPA data we track; all listed configurations are automatic or CVT.
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