The first images of the new Opel Astra GTC have appeared and the car will go into production on June 7. Details on engine, pricing and technology will be revealed then. The production version of the car will make its world premiere at the Frankfurt Motor Show on September 15. The GTC will be a 5-seater, 3-door and it will join the Astra 5-door and Sports Tourer models, which are already on sale.