Buick LaCrosse MPG & Fuel Economy
The 2019 Buick LaCrosse gets up to 29 MPG combined (25 city / 35 highway) in EPA testing.
Latest model year (2019):
The Buick LaCrosse gets up to 29 MPG combined (25 city / 35 highway) in the Auto (S6), 4 cyl, 2.5 L trim.
Buick LaCrosse MPG — All Years
| Year | Trim | Engine | Fuel | City (MPG) | Hwy (MPG) | Combined (MPG) |
|---|---|---|---|---|---|---|
| 2019 | Auto (S6), 4 cyl, 2.5 L | 4 2.5L | Regular Gasoline | 25 | 35 | 29 |
| 2019 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 20 | 29 | 23 |
| 2019 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 20 | 30 | 24 |
| 2018 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 20 | 29 | 23 |
| 2018 | Auto (S9), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 21 | 30 | 24 |
| 2018 | Auto 6-spd, 4 cyl, 2.5 L | 4 2.5L | Regular Gasoline | 25 | 35 | 29 |
| 2017 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 21 | 31 | 25 |
| 2017 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 20 | 29 | 23 |
| 2016 | Auto (S6), 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 24 | 35 | 28 |
| 2016 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 17 | 26 | 20 |
| 2016 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 28 | 21 |
| 2016 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 28 | 21 |
| 2015 | Auto (S6), 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 24 | 35 | 28 |
| 2015 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 28 | 21 |
| 2015 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 28 | 21 |
| 2015 | Auto (S6), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 17 | 26 | 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 MPG FAQ
What is the MPG of the Buick LaCrosse?
The Buick LaCrosse gets up to 29 MPG combined (25 city / 35 highway) in the 2019 model year. Fuel economy varies by engine and trim — see the full table above for details.
Which Buick LaCrosse trim has the best fuel economy?
The Auto (S6), 4 cyl, 2.5 L trim offers the best combined fuel economy at 29 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.