How to Reduce the Cost of an Audi Replacement Key If you own an Audi, the key to your car is something you never want to lose. But a replacement key can help you get back on the road quickly. A new Audi key could cost between $280 and $475, https://autolocksmith96720.blogdosaga.com/29761214/10-simple-ways-to-figure-out-your-audi-a4-car-key-replacement