Opel Insignia GTC Coupe

We’ve already seen Opel expand its Insignia lineup with the Hatchback and Sports Tourer, as well as the more recent OPC performance variant, but there’s one more model in the works that’s destined to be the most exciting and extreme. The model in question is a new coupe variant based on 2007’s stunning Gran Turismo Coupe (GTC) concept and if built it leaves the gateway open for the possible launch of a two-door version of the U.S. market Buick Regal. You see, the Buick Regal is essentially a rebadged Opel Insignia, which means other Insignia variants could possibly make it to the U.S...