Buick Lucerne Fuel Tank Size by Year
Newest year we have: the 2011 Buick Lucerne manual lists 18.5 gal. Across 2010–2011 it changes by year and version, so check yours below. Each year links to its owner's manual page.

| Year | Fuel tank size | Source |
|---|---|---|
| 2011 | 18.5 gal ≈ 70.0 L | 2011 manual → |
| 2010 | 18.3 gal ≈ 69.3 L 3.9L V6 Engine (with NU6 emissions)18.6 gal ≈ 70.4 L 3.9L V6 Engine (without NU6 emissions)18.6 gal ≈ 70.4 L 4.6L V8 Engine | 2010 manual → |
Years are the 2010–2011 model years we have the owner's manual for. Open a year to see every version and the page it's printed on.
Confirm with your own manual, dipstick or door-jamb label.
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