RS5 v M4 v C 63 AMG S
BMW’s M4 has been refreshed and Audi India is bringing a new RS5 that does the numbers to put the frighteners on a full-blown supercar, but can either see off our favourite supercoupe, the Mercedes-AMG C 63 S? We’ve put down 5000km on road and track to ge
Battle of the German biggies rages on. Who will be victorious?