High Quality Content by WIKIPEDIA articles! The Buick Lucerne is a full-size car sold by the Buick division of General Motors. Introduced at the 2005 Chicago Auto Show, the Lucerne replaced both the Park Avenue and the LeSabre for the 2006 model year, and was sold through the 2011 model year. The Lucerne was based on a revised H-body platform, which it shared with the late Pontiac Bonneville.