Director: Peter SmithOn this episode of Supercars; we leave the roof off. The Audi R8 V10 Spyder combines sophisticated design and technology and shows what the German brand with the fours rings is capable of. It’s built to turn the sports car world upside down. The Wiesmann MF5 is quite different. It is the idea to create something timeless. Plus: The company RUF makes Porsche cars even faster and more exclusive. We check out the RUF RT 35.