Threesome insurance costs Alfa Romeo 159

Hey dear motor talk community. I just registered here because I don’t know any more. I’m the owner of an Alfa Romeo 159 1.9JTDM Bj. 2005. I got the car as a gift because my uncle got a new purchase. I love the car and would like to drive it as the first car and thus deny the unforgettable experiences of a novice driver. However, there is a gigantic problem that makes me cook with anger and aggressions: What’s wrong with the insurances? The Alfa with 136hp would cost me around 230€ a year ONLY in insurance. (Partial casque, 150€ SBT, Street parking, Berlin) How to explain this absolutely naughty audacity, can someone tell me that? Why does a heck-driven Corvette 6.2l Z06 cost me with ~650 hp as an absolutely bloody novice in the maintenance 600€ less than a “mickriger” 1.9l 136PS diesel? I’d be happy if someone could give me an answer if it doesn’t give me a hard reason to buy me a couple of reasons because I’ll know a box of gasoline and maybe I’ll need to buy a little more!