Based on data from 45 vehicles, 1,526 fuel-ups and 418,722 miles of driving, the 2005 Buick LaCrosse gets a combined Avg MPG of 19.39 with a 0.24 MPG margin of error.

Any Engine Type 3.6L V6 GAS (8) 3.8L V6 GAS (28) V6 GAS (9) Any Body Style Sedan (14) Any Submodel CXS (8) CX (9) CXL (19) Other (9)

Below you can see a distribution of the fuel-ups with 69 outliers (4.33%) removed.

Following shows the average MPG of each of the 45 vehicles in the system.

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• Ol' Red

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2023 • 8 Fuel-ups

  Property of UncleSnail

• 21.8 Avg MPG

• Buick

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic Sedan
  Added Mar 2022 • 139 Fuel-ups

  Property of mileslatham

• 24.7 Avg MPG

• My LaCrosse

  2005 Buick LaCrosse CX 3.8L V6 GAS Automatic 4 Speed
  Added Dec 2021 • 103 Fuel-ups

  Property of Sugarbear630

• 17.5 Avg MPG

• My LaCrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed
  Added May 2022 • 105 Fuel-ups

  Property of Clark_Kadwell

• 17.0 Avg MPG

• Lacrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2018 • 283 Fuel-ups

  Property of Jenwah123

• 19.7 Avg MPG

• 2005 Buick LaCrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed
  Added May 2023 • No Fuel-ups

  Property of jimjohnson

• 0.0 Avg MPG

• My LaCrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed
  Added May 2018 • 40 Fuel-ups

  Property of JacksBuick

• 16.2 Avg MPG

• Black Betty

  2005 Buick LaCrosse CXS 3.6L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2022 • 85 Fuel-ups

  Property of Hats20001

• 24.0 Avg MPG

• Jessica Buick

  2005 Buick LaCrosse CX 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2023 • 8 Fuel-ups

  Property of charsha

• 19.4 Avg MPG

• My LaCrosse

  2005 Buick LaCrosse CXS 3.6L V6 GAS Automatic 4 Speed
  Added Jun 2023 • 1 Fuel-up

  Property of dejeburns

• 0.0 Avg MPG

• Buick

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Jul 2018 • 90 Fuel-ups

  Property of bschilder

• 37.7 Avg MPG

• Lacrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed
  Added May 2019 • 255 Fuel-ups

  Property of patsmac

• 20.3 Avg MPG

• Parent's Buick LaCrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Jul 2021 • 2 Fuel-ups

  Property of mattszcz

• 17.6 Avg MPG

• Silver Bullet

  2005 Buick LaCrosse CX 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Aug 2021 • 1 Fuel-up

  Property of MysteryMachine

• 0.0 Avg MPG

• Lacrosse

  2005 Buick LaCrosse CX 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Aug 2018 • No Fuel-ups

  Property of jbcreek1225

• 0.0 Avg MPG

• Buick

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Apr 2018 • 27 Fuel-ups

  Property of josie1

• 35.3 Avg MPG

• LaCrosse CX

  2005 Buick LaCrosse CX 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Dec 2019 • No Fuel-ups

  Property of Oney73

• 0.0 Avg MPG

• Buick Lacrosse

  2005 Buick LaCrosse CX 3.8L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 123 Fuel-ups

  Property of katmill80

• 19.3 Avg MPG

• My LaCrosse

  2005 Buick LaCrosse CXS 3.6L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 1 Fuel-up

  Property of rob_1234

• 0.0 Avg MPG

• Doug's 2005 LaCrosse

  2005 Buick LaCrosse CXL 3.8L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 310 Fuel-ups

  Property of DougShull

• 21.1 Avg MPG

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