Need help with car choice !!! 🙂

A beautiful good day, I have been facing an inner conflict for some time, for which it is very difficult, in my opinion, to find a “right solution”. So, I am facing the decision Porsche Boxster (from year 2001) or BMW Z4: but now I don’t have the idea and know how this community (“smoke”:-) and knows not what to pay attention to when buying a boxster, can you help me ? … yes I know there is a search function, but there came at mi r just nothing or little usable out, so I would be very grateful to you for your help I want to know basically, until how many kilometers, one can drive a porsche (is the engine reliable, there is wearer phenomenon iregndwo) another important point is what costs me an insurance (must not be full kasko, but what costs the os for 8 or 10 or 12 months) must not be all the same and net so mega in detail, but would be about a few remarks that me Thank you very much ^^ Greetings rofl-Copter