2012 Buick LaCrosse has an official engine upgrade planned out
In preparation for a 2012 model year for the Buick LaCrosse, GM announced a second surprise they have up their sleeve for their customers. The first surprise has been out there for a while now and it is the 2012 Buick LaCrosse eAssist, the version that has fuel economy in mind. The second surprise is what we're now hearing about...