General Motors’ European Opel sub-brand said today that it will build one model for Buick at its plant in Ruesselsheim, Germany. The company didn’t specify which model that would be ...

The Buick Regal is based on the Opel/Vauxhall Insignia, a pair of sedans from General Motors' European and British outfits. In fact, over 46,000 Regals from model years 2010 and 2011 were screwed ...