Subtitle: The original Audi TT was a handsome little bugger, but it was always lacking under the hood. Audi’s quattro GmbH built one with Audi’s 2.7 liter turbo V6, which is more Audi RS4 than TT.
http://jalopnik.com/this-never-seen-audi-tt-prototype-could-eat-porsche-911-1454164828