Audi has already confirmed that the future A6 will become the A7. New spy photos have captured a heavily camouflaged Audi sedan out testing. A close inspection of the images reveals the four-door ...
The Audi valvelift system (AVS) is also making its debut in a diesel model from Audi. The inlet and exhaust cam shafts each have two cam contours per valve. On the inlet side, one cam contour ...