It's no secret that the Buick Regal is an Americanized version of the Opel Insignia, and Buick even uses this fact to try and persuade the public that the car is a European sport sedan rather than ...
We've seen spy shots of the base Opel Insignia wearing ... well and good for the Insignia, but we're wondering how these changes will impact North America's Buick Regal GS. No, it may not share ...