FuelFacts

← all 2009 Buick Lacrosse/Allure trims

2009 Buick Lacrosse/Allure — 5.3L 8-cyl, Automatic 4-spd, FWD

This 2009 Buick Lacrosse/Allure (5.3L 8-cyl, Automatic 4-spd, FWD) takes regular (87-octane) gasoline. REGULAR

19
MPG combined (16 city / 24 hwy)
$3,000
est. fuel cost / year (today’s prices, 15k mi)
tailpipe CO₂

At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.

Other 2009 Buick Lacrosse/Allure trims

TrimFuelMPGFuel/yr
3.8L 6-cyl, Automatic 4-spd, FWDREGULAR21$2,714

EPA fuel type: Regular · class: Midsize Cars · engine: 5.3L 8-cyl · transmission: Automatic 4-spd · drive: FWD · MPG retrieved 2026-07-24.