Discover GM's worldwide impact via the 1960s Opel Diplomat, a Chevy V-8 luxury sedan that rivaled Mercedes and BMW in Germany ...

According to Auto-News.de, Opel is considering using Cadillac's all-new big sedan, the XTS, as the base for its new flagship car, which would likely carry the name Omega. According to Auto-News.de ...

One of the most curious examples of GM's global expansion efforts was the 1960s German flagship luxury car, the Opel Diplomat. In order to give you the most up-to-date and accurate information ...