On Sunday, drivers of the German DTM series will converge for their final race of the 2014 season at the famed Hockenheiming. A league of drivers topped by BMW's Marco Wittman in 2014 (Wittman has locked-up this year's championship), DTM sees Audi RS5, BMW M4 and Mercedes C-Class race cars muscled around race tracks due to the direct result of the human element at the controls. For the last race weekend of 2014, a special, attention-grabbing Audi RS7 Sportback will be navigated around the famed German road course absent a driver. Scheduled to make an appearance on-track Sunday prior to the main feature for DTM, the Audi RS7 Piloted Driving concept vehicle will negotiate the 4.574-kilometer Hockenhiemring circuit guided only by its autonomous drive technology. A 560-horsepower supercar many human drivers will simply long to wheel, the Audi RS7 five-door coupe conversion to a driverless concept vehicle involved few changes...