Along with the release of a teaser shot revealing the 2010 LaCrosse’s front grille, General Motors also announced today that the upcoming Buick sedan will make its world debut at the Los Angeles Auto Show in November. According to GM, the new LaCrosse sedan’s exterior styling is strongly influenced by the Buick Invicta Concept that debuted at this year’s Beijing Auto Show. The new sedan is expected to go on sale in the U.S. next spring. While details are scarce, don’t be surprised if GM offers the new LaCrosse with entry-level 4-cylinder engines alongside the larger V6 units.