These latest spy photos show the RS5 being put through its paces on the Nurburgring, the legendary circuit that has become popular of late among carmakers for its demanding surface and use as a testing and proving grounds. The new wheels and reworked front air dam indicate the car is nearing final specification, including a prototype of the final engine that will power the car.
Previous spy shots revealed Audi has been testing the new car in Death Valley, USA. It is expected to get a new front-end treatment compared to the rest of the A5 lineup. Like the RS4, expect the final production RS5 to be fitted with large fenders and an aggressive rear-end as well.
Source: Motor Authority