GS Stage 1, Part 2. In anticipation of Buick’s returning GS based on the 2012 Regal, MotoMan heads across the pond to briefly drive its donor car, the Opel/Vauxhall Insignia OPC/VXR. Back stateside he visits with the Mayor of the Classic Car World, McKeel Hagerty, CEO of Hagerty Classic Car Insurance and they drive the car that inspired it all, a 1970 Buick GS Stage 1 . . .