Buyers of the 2006 Buick Lucerne may choose from three models: CX, CXL, and CXS. The CX is equipped with a V6 engine and starts at $26,990. CXL versions can be powered by either a V6 or a V8 and are priced at $28,990 and $30,990, respectively. At the top of the lineup is the 2006 Buick Lucerne CXS, available only with the V8 engine and carrying a sticker price of $35,990. All prices include a $725 destination charge.