How is the 2006 Porsche Cayenne Turbo S worth $20,000 more than the regular Turbo? How is one Van Gogh oil painting is worth millions more than another? Bad example – paintings don’t do 0-60 in 4.8 seconds. When you consider that you can spend more than $60,000 on mostly aesthetic options for the Cayenne Turbo S, twenty grand seems pretty reasonable for 72 more horsepower and the baddest ride on any block.