← all 2011 Buick Lucerne trims
2011 Buick Lucerne — 3.9L 6-cyl, Automatic 4-spd, FWD
This 2011 Buick Lucerne (3.9L 6-cyl, Automatic 4-spd, FWD) is flex-fuel (gasoline or E85). FLEX-FUEL
21
MPG combined (17 city / 26 hwy)
$2,950
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
EPA updated its fuel-economy equations again for model year 2017 — mostly affecting hybrids and turbocharged engines — and recalculated 2011-2016 ratings to match, in some cases 1-2 MPG lower. The number above already reflects that update.
Other 2011 Buick Lucerne trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.6L 8-cyl, Automatic 4-spd, FWD | REGULAR | 18 | $3,167 |
EPA fuel type: Gasoline or E85 · class: Large Cars · engine: 3.9L 6-cyl · transmission: Automatic 4-spd · drive: FWD · MPG retrieved 2026-07-24.