Your post wasn't exactly free from insults nor grammatical errors.

From my point of view, psychoacoustic tomfoolery will come close, but will never be the same as the an ideal setup.

Problem with cars is the listening environment is terrible.

To me and most likely, most people, its not worth the effort going for a proper sound stage and completely accurate coverage of the audible range.

Just cover most of it while sounding decent to most passengers.