Das Auto is the current main media slogan of the Volkswagen Group, not the name of the group. And this sentence is in German, not English.

The main media slogan of the Volkswagen Group will be changed every few years.

The current sentence, the complete sentence is: Volkswagen - das Auto. Since 2007, it has been used as the main media advertising slogan.

The media owner’s advertising slogan before this sentence was: Aus Liebe zum Automobil. Used for four years before and after. Until it was replaced by the existing sentence in 2007

The name of the Volkswagen Group is Volkswagen, which is a word written together.