day-to-day ami

hi us car community, I have to get an ami every day. of course I already have 3-4 favorites in mind, but can’t quite decide if there isn’t any hidden price traps. by that I mean taxes and insurance issues, as well as consumption … I prefer a buick rivera or regal end 80ies – early 90ies, or a Chevy caprice of the 90ies … you can imagine what I mean. what experiences have you made, what to drive with best … natürl I only have half-year registration, winter I will spend with a japanerschl*mpe … =;O) mfg