Unlike many later editions that share engines with VWs and Audis, today's Nice Price or No Dice Cayenne carries true Porsche power under its hood. Let's find out what such brand purity might be worth.

So I bought another Cayenne Turbo. I missed my 2005 that I bought this 2004 which has over 189,000 miles on it! Curious to see how the mpg increases on the highway versus city streets I decided to ...