The wedge-shape is circa 1970, pure vintage Giorgetto Giugiaro in his "folded paper" phase (though he also designed much curvier cars like the Fiat 850 Spider or Ferrari 250GT).
Compare the Tesla to:
BMW M1_(cropped).jpg)
The 1974 VW Golf brought the concept into a more utilitarian vehicle. A pickup truck is almost by definition a utilitarian vehicle but the cybertruck definitely lies more on the Lotus Esprit (than the Golf) end of the spectrum.