Buick Lacrosse MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Buick Lacrosse model year from 2005 to 2019 — each engine and transmission with its official city, highway and combined figures. Over these years the Lacrosse has been offered with 2.5L 4-cyl, 3.6L 6-cyl, 2.4L 4-cyl, 3.0L 6-cyl, 3.8L 6-cyl, 5.3L 8-cyl engines; the most efficient version is the 2019 (up to 29 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Buick Lacrosse fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2019 | 23–29 MPG | 2.5L 4-cyl, 3.6L 6-cyl | $18,997 | 23 listings |
| 2018 | 23–29 MPG | 2.5L 4-cyl, 3.6L 6-cyl | $16,990 | 23 listings |
| 2017 | 23–25 MPG | 3.6L 6-cyl | $16,500 | 69 listings |
| 2016 | 20–28 MPG | 2.4L 4-cyl, 3.6L 6-cyl | $15,000 | 25 listings |
| 2015 | 20–28 MPG | 2.4L 4-cyl, 3.6L 6-cyl | $11,993 | 138 listings |
| 2014 | 20–28 MPG | 2.4L 4-cyl, 3.6L 6-cyl | — | — |
| 2013 | 20–29 MPG | 2.4L 4-cyl, 3.6L 6-cyl | — | — |
| 2012 | 20–28 MPG | 2.4L 4-cyl, 3.6L 6-cyl | — | — |
| 2011 | 20–23 MPG | 2.4L 4-cyl, 3.6L 6-cyl | — | — |
| 2010 | 19–23 MPG | 2.4L 4-cyl, 3.6L 6-cyl, 3.0L 6-cyl | — | — |
| 2009 | 19–21 MPG | 3.8L 6-cyl, 5.3L 8-cyl | — | — |
| 2008 | 19–21 MPG | 3.8L 6-cyl, 3.6L 6-cyl, 5.3L 8-cyl | — | — |
| 2007 | 20–21 MPG | 3.8L 6-cyl, 3.6L 6-cyl | — | — |
| 2006 | 20–21 MPG | 3.8L 6-cyl, 3.6L 6-cyl | — | — |
| 2005 | 20–21 MPG | 3.8L 6-cyl, 3.6L 6-cyl | — | — |
2019 Buick Lacrosse: engines & MPG
The 2019 Lacrosse was EPA-rated in 3 versions (2.5L 4-cyl, 3.6L 6-cyl), with combined economy from 23 to 29 MPG. Used 2019 models currently list for a median of $18,997 on VehiSales (23 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.5L 4-cyl | Automatic (S6) | Regular | 25 | 35 | 29 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S9) | Regular | 20 | 30 | 24 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 20 | 29 | 23 MPG |
2018 Buick Lacrosse: engines & MPG
The 2018 Lacrosse was EPA-rated in 3 versions (2.5L 4-cyl, 3.6L 6-cyl), with combined economy from 23 to 29 MPG. Used 2018 models currently list for a median of $16,990 on VehiSales (23 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.5L 4-cyl | Automatic 6-spd | Regular | 25 | 35 | 29 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S9) | Regular | 21 | 30 | 24 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 20 | 29 | 23 MPG |
2017 Buick Lacrosse: engines & MPG
The 2017 Lacrosse was EPA-rated in 2 versions (3.6L 6-cyl), with combined economy from 23 to 25 MPG. Used 2017 models currently list for a median of $16,500 on VehiSales (69 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse | 3.6L 6-cyl | Automatic (S8) | Regular | 21 | 31 | 25 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S8) | Regular | 20 | 29 | 23 MPG |
2016 Buick Lacrosse: engines & MPG
The 2016 Lacrosse was EPA-rated in 3 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 28 MPG. Used 2016 models currently list for a median of $15,000 on VehiSales (25 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.4L 4-cyl | Automatic (S6) | Regular | 24 | 35 | 28 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S6) | Regular | 18 | 28 | 21 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 26 | 20 MPG |
2015 Buick Lacrosse: engines & MPG
The 2015 Lacrosse was EPA-rated in 3 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 28 MPG. Used 2015 models currently list for a median of $11,993 on VehiSales (138 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.4L 4-cyl | Automatic (S6) | Regular | 24 | 35 | 28 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S6) | Regular | 18 | 28 | 21 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 26 | 20 MPG |
2014 Buick Lacrosse: engines & MPG
The 2014 Lacrosse was EPA-rated in 3 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 28 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.4L 4-cyl | Automatic (S6) | Regular | 24 | 35 | 28 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S6) | Regular | 18 | 28 | 21 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 26 | 20 MPG |
2013 Buick Lacrosse: engines & MPG
The 2013 Lacrosse was EPA-rated in 3 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 29 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.4L 4-cyl | Automatic (S6) | Regular | 25 | 36 | 29 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 27 | 21 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 25 | 20 MPG |
2012 Buick Lacrosse: engines & MPG
The 2012 Lacrosse was EPA-rated in 3 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 28 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse eAssist | 2.4L 4-cyl | Automatic (AV-S6) | Regular | 24 | 35 | 28 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 27 | 21 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S6) | Regular | 16 | 26 | 20 MPG |
2011 Buick Lacrosse: engines & MPG
The 2011 Lacrosse was EPA-rated in 3 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 23 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse | 2.4L 4-cyl | Automatic (S6) | Regular | 19 | 29 | 23 MPG |
| LaCrosse AWD | 3.6L 6-cyl | Automatic (S6) | Regular | 16 | 26 | 20 MPG |
| LaCrosse | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 27 | 20 MPG |
2010 Buick Lacrosse: engines & MPG
The 2010 Lacrosse was EPA-rated in 4 versions (2.4L 4-cyl, 3.6L 6-cyl, 3.0L 6-cyl), with combined economy from 19 to 23 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Lacrosse/Allure | 2.4L 4-cyl | Automatic (S6) | Regular | 19 | 30 | 23 MPG |
| Lacrosse/Allure | 3.6L 6-cyl | Automatic (S6) | Regular | 17 | 27 | 21 MPG |
| Lacrosse/Allure | 3.0L 6-cyl | Automatic (S6) | Regular | 17 | 26 | 20 MPG |
| Lacrosse/Allure AWD | 3.0L 6-cyl | Automatic (S6) | Regular | 16 | 25 | 19 MPG |
2009 Buick Lacrosse: engines & MPG
The 2009 Lacrosse was EPA-rated in 2 versions (3.8L 6-cyl, 5.3L 8-cyl), with combined economy from 19 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Lacrosse/Allure | 3.8L 6-cyl | Automatic 4-spd | Regular | 17 | 28 | 21 MPG |
| Lacrosse/Allure | 5.3L 8-cyl | Automatic 4-spd | Regular | 16 | 24 | 19 MPG |
2008 Buick Lacrosse: engines & MPG
The 2008 Lacrosse was EPA-rated in 3 versions (3.8L 6-cyl, 3.6L 6-cyl, 5.3L 8-cyl), with combined economy from 19 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Lacrosse/Allure | 3.8L 6-cyl | Automatic 4-spd | Regular | 17 | 28 | 21 MPG |
| Lacrosse/Allure | 3.6L 6-cyl | Automatic 4-spd | Regular | 17 | 25 | 20 MPG |
| Lacrosse/Allure | 5.3L 8-cyl | Automatic 4-spd | Premium | 16 | 24 | 19 MPG |
2007 Buick Lacrosse: engines & MPG
The 2007 Lacrosse was EPA-rated in 2 versions (3.8L 6-cyl, 3.6L 6-cyl), with combined economy from 20 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Lacrosse/Allure | 3.8L 6-cyl | Automatic 4-spd | Regular | 17 | 27 | 21 MPG |
| Lacrosse/Allure | 3.6L 6-cyl | Automatic 4-spd | Regular | 17 | 25 | 20 MPG |
2006 Buick Lacrosse: engines & MPG
The 2006 Lacrosse was EPA-rated in 2 versions (3.8L 6-cyl, 3.6L 6-cyl), with combined economy from 20 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Lacrosse/Allure | 3.8L 6-cyl | Automatic 4-spd | Regular | 17 | 28 | 21 MPG |
| Lacrosse/Allure | 3.6L 6-cyl | Automatic 4-spd | Regular | 17 | 25 | 20 MPG |
2005 Buick Lacrosse: engines & MPG
The 2005 Lacrosse was EPA-rated in 2 versions (3.8L 6-cyl, 3.6L 6-cyl), with combined economy from 20 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Lacrosse/Allure | 3.8L 6-cyl | Automatic 4-spd | Regular | 18 | 27 | 21 MPG |
| Lacrosse/Allure | 3.6L 6-cyl | Automatic 4-spd | Regular | 17 | 25 | 20 MPG |
Frequently asked questions
What MPG does a Buick Lacrosse get?
Depending on year and engine, EPA combined ratings for the Lacrosse range from 21 to 29 MPG. The most efficient rated version is the 2019 model year.
What engines does the 2019 Buick Lacrosse have?
The 2019 Lacrosse was EPA-rated with 2.5L 4-cyl, 3.6L 6-cyl engines — see the 2019 table above for each version's exact city/highway figures.
Does the Buick Lacrosse require premium gas?
Some versions do: EPA lists regular gasoline and premium gasoline depending on year and engine — check your year's table above.
Is there a hybrid or electric Lacrosse?
Yes — the ratings above include hybrid versions; look for them in the per-year tables.
https://vehisales.com/research/fuel-economy/buick/lacrosse.
See also: Buick Lacrosse hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].