How to Reduce the Cost of an Audi Replacement Key If you own an Audi, the key to your car is something you don't would like to lose. A replacement key can allow you to get back to driving quickly. A new Audi key costs between $280 and $475. This https://g28-car-keys86803.designertoblog.com/61493233/17-reasons-why-you-should-ignore-audi-a4-car-key-replacement