As said in the June 1970 issue of Car and Driver the Datsun 240z is a “personal” GT car, just look at the style, and the history of customers that enjoyed it to the point it became a classic.
The responsible for the design was Yoshihiko Matsuo.
Beyond the aesthetics, and the marketing, the design of the car evoques presence of mind.
One day I hope to drive one.
Here is a very good restoration and technology upgrade made by MZR Roadsports. I think it looks even better: