In addition to its own brand name, the company makes cars ranging in expense from Skoda to Audi, Ducati, Lamborghini, and Bentley. And Volkswagen shares are down 20% over the past year, leaving the company with a market cap of only €90 billion, just €15 billion more than the upper end of Porsche's anticipated valuation. The business model is simple; it's effortlessly one of the top luxury automotive brands in the world. Porsche AG has six core models, including the 911 and Macan.