2009 Buick Lacrosse/Allure

Sedan Regular
Buick Lacrosse/Allure 2009
21MPG Combined
2 Trims
← 2008 2009 2010 →
Updated February 27, 2026

The 2009 Buick Lacrosse/Allure Sedan provides 19–21 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2009 Buick Lacrosse/Allure Specifications

SpecValue
Combined MPG19–21 combined MPG depending on trim
City MPG17
Highway MPG28
Body StyleSedan
Fuel TypeRegular
DriveFWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto17/28/213.8L 6cylAutomatic 4-spd
Auto16/24/195.3L 8cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2009 Buick Lacrosse/Allure costs approximately $2,200 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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