How to Reduce the Cost of an Audi Replacement Key If you own an Audi, the key to your car is something you do not want to lose. A replacement key will enable you to return to driving speedily. A brand new Audi key can cost between $280 and $475, https://car-locksmiths05553.blogsuperapp.com/30674153/a-list-of-common-errors-that-people-make-when-using-audi-a4-car-key-replacement