The thing is they do make the parts, but it’s a custom job and generally changing from a mass-manufactured EV to a hand-crafted car. The savings in reusing the reusable portions of the car are more than offset by the labor associated with putting them in. So it’s only really reserved for ‘classics’ with some iconic design, and even then the person risks enraging fans of the car who find it heretical to rip out their engines.
The thing is they do make the parts, but it’s a custom job and generally changing from a mass-manufactured EV to a hand-crafted car. The savings in reusing the reusable portions of the car are more than offset by the labor associated with putting them in. So it’s only really reserved for ‘classics’ with some iconic design, and even then the person risks enraging fans of the car who find it heretical to rip out their engines.