Your neighbor's cars are nothing but a money pit. The Germans are famous for over-engineering everything they build. Hence they are big, big bucks to maintain. Stupid money. And, unless that car was built by the Blessed Virgin Mary herself, it's gonna need maintenance pure and simple.
I personally wouldn't walk across the road to look at any of them.
Give me a Model A Ford, Early V-8 Ford, Model T Ford, early Chevy or Plymouth to look at. Mustang-Galaxie-Torino-Fairlane all day long can't see enough of them.
But your neighbor's cars?? How do you spell 'blaaaaah' I think I just did