While the Buick Regal is selling quite well in the mainland Chinese market, users in the North American market are still eagerly awaiting the return of this classic model. The Buick Regal, manufactured by SAIC-GM under authorization from General Motors and based on the Opel Insignia, holds an extremely important position in GM's sales portfolio in China. The new Buick Regal plays a crucial role in GM’s strategy, even though it has yet to be fully reintroduced in its home market, the United States.