I want to buy a proche soon it should be a 996 c 4 convertible. does someone have an idea what the average cost is below 100000 km ? what is important to me with exhaust valve circuit, big navi , frab I don’t care I paint around anyway (am paintr :-)) and there are flaws in the 996 that you need to know ? please no stupid sayings , of which I have enough here . drive at the moment a mercedes CLK AMG !