We're not sure what to make of this R8 GT-based test mule spotted at the Nurburgring yesterday. Clearly the car is a factory mule and clearly it's been upgraded. Here's a quick rundown of the changes we spot.
•*Bigger racing-style front chin spoiler
•*Front and rear fender flaps indicating a likely wider track
•*Small Gurney flaps on rear to each side of spoiler
Back in early February details about the upcoming 4.0T, including power figures for the A8 4.0T, S8, S6 and S7 were revealed when hackers examining the Volkswagen Group's ETKA parts database found references to these upcoming models. Turns out the method has proven fruitful again and details of an