What does it take to craft the new Audi R8, a revolutionary road car that rockets to 60 mph in 3.8 seconds and rivals the likes of Porsche and Lamborghini? We ll head to the state-of-the-art Audi R8 factory in Neckarsulm, Germany, to see how the car s ultralight aluminum frame and high-tech fuel injection system are meticulously hand-built. In total, it takes more than a week and 120 of Audi s most experienced workers to produce one Audi R8.