optional
this seems to be the nearest thing to reality
https://www.terrafugia.com/the-transition/
drivable planes rather than flying cars, all seem a bit shit though , pity the moller thing was a ponzi scheme they did look good.
If you have the money to invest in one of these flyingcars/driveable planes then surely a helicopter makes sense as you can fly and get to where you need to go without the need for a car.