How Much to get keys cut a Car Key Cut A new car key might cost more than expected. This is because keys with different features. If your Car key blade Cutting has an old-fashioned metal key with no chip or fob that you want to duplicate, you can do so for a relatively low price at most hardware stores or locksmiths. Some keys, however, require specialized equipment to duplicate. What Kind of Keys Are There? The type of car key you have will determine the cost for the replacement. Keys for standard cars that do not have transponder chips can be easily replaced and are available at a majority of hardware stores. Modern key fobs could require a professional to program them for your vehicle. Keys for cars that are standard are made by putting the original key on a duplication device and then using it as a template for the new key. A blank key is placed over the existing one and cut, making a duplicate of the original key that can unlock and start your vehicle.