When we tested this brand new A6, we were amazed at just how many expensive optional extras it came with. There were so many extra bits of kit in fact that the cost of the car had almost doubled. In this video, Graham tries out some of the A6's priciest options to find out which ones are worth shelling out for, and which are simply gimmicks. For more videos, news and reviews go to http://fwd.channel5.com/fifth-gear