As the flagship for GM's entry-level premium brand, the Buick LaCrosse effectively replaced the long-running Park Avenue and more recent Lucerne. In each successive generation, the full-size front ...

As the flagship for GM's entry-level premium brand, the Buick LaCrosse effectively replaced the long-running Park Avenue and more recent Lucerne. In each successive generation, the full-size front ...

Last year, Buick teamed up with pro basketball icon Shaquille O’Neal on a new commercial for its LaCrosse; a year later, the basketball legend will star again in a new spot for the plus-sized sedan.