How to Reduce the Cost of an Audi Replacement Key If you own an Audi key to your car is something you never would like to lose. But a new key can assist you in getting back on the road quickly. A new Audi key costs between $280 to $475. https://car-locksmith47168.blogozz.com/29309134/10-amazing-graphics-about-audi-a4-car-key-replacement