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Buick will retires the LeSabre name with its 2006 model-year lineup and replaces it with the Lucerne. Lucerne is a major change and redesign to the LeSabre, which uses the same platform as Cadillac’s best-selling sedan. The DeVille is also revised for 2006MY, and renamed DTS.
Lucerne will be the first Buick to offer a V8 in ten years, using the 275HP 4.6L DOHC 32v V8 that serves as the base engine in the DTS. The 3.8L OHV V6 carries on as the base engine, and both are mated to four-speed automatic transmissions.
Several standard and optional features, also found on the Cadillac DTS, will be Buick firsts, including Magnetic Ride Control (paired with StabiliTrak), heated washer fluid, and dual-depth passenger airbag. Not only does the airbag sense the passenger and deploy at one of two speeds, there are two sizes, with a smaller bag deploying when the car senses a smaller person or a less severe impact. Six airbags will be standard, including side and roof-rail airbags. Lucerne will also offer a DVD navigation system.
Buick styling cues adorning the conservative Lucerne include chrome-accented portholes on either front quarter panel, chrome-tipped exhaust, and the vertical Buick grille. Lucerne will be offered in three trim levels, with one intended to take up the LeSabre place and an uplevel version hoping to satisfy would-be Park Avenue buyers, as the Park has fallen from production.