He can already buy his Porsche for the bitcoin,
boxter, cayenne or carrera 996 being some of his options and lots available for this money in many parts of europe and US
of course for me 911 any model is always the way to go as they always depreciate up to a point and then they go up in price again, prices of the 90s 911 993 being great example for this.
and 80% of them ever build are still on the roads today!