Crown has a taller roof and higher seating position. Easier to get in and out of, targeted at seniors.
Just looked at the specs.
https://www.caranddriver.com/toyota/crown/specs/2023/toyota_crown_toyota-crown_2023
Not sure why a senior would want one, unless the senior is short.
You can get a crossover SUV for less money, and it’s a roomier car.