Buick
Lucerne

U.S. fuel economy and specifications from the EPA.

21Best combined MPG2009 model year

2006–2011Model years6 with EPA ratings

15Rated configurationsDrive, transmission and engine

3.8–4.6 LEngine sizeDisplacement

Best combined MPG by model year

The highest EPA rating among each year's configurations.

2006 20 MPG

2007 20 MPG

2008 19 MPG

2009 21 MPG

2010 20 MPG

2011 21 MPG

Model year

2 configurations.

Regular gasoline or E85 · Large Cars

Regular gasoline · Large Cars