In many post, people comment about the mileage penalty for high mileage on a Ferrari. Does anyone know what that is? I have a 97. What would the expected mileage be on mine and what is the penalty for every 1,000 miles over that? I will be hitting 43,000 miles shortly. I am trying to figure out the cost per mile. From the sound of many, my 550 is worth maybe $25,000 to $30,000.