According to General Motors’ marketing department, the Buick Regal has the most powerful thing out there. 2011 Buick Regal By thing don’t by any chance think it’s the engine. Oh no, the most powerful thing there is not the...

The GM equivalent of the Vauxhall Insignia VXR or the Opel Insignia OPC will hit the market next year, using a 2012 model year in the form of the Buick Regal GS. 2012 Buick Regal GS So when all of the badging falls away what we have is a very...