How to Reduce the Cost of an Audi Replacement Key If you own an Audi key to your car is something that you never want to lose. But a replacement key can help you get back on the road quickly. A new Audi key costs between $280 to $475. This https://carlocksmith20852.worldblogged.com/35702148/a-brief-history-of-audi-a4-car-key-replacement-history-of-audi-a4-car-key-replacement