One is a mid-engined coupe from the company that perfected the 911. The other is based on the Volkswagen Golf platform. But there's one department in which the Audi TT RS trumps the 718 Cayman S.
With the Cayman GT4, Porsche has brought its mid-engined offering deeper into 911 territory than ever before. This is far from a metaphor - since the GT division's Cayman packs a 911 Carrera S engine ...