The bigger question is where will you get parts for it?
I would only stick with a car that you can get parts for... preferably something that is within 2 revisions old.
Check out RCTech for some good deals too, I found an ad here for a vintage ZX-5:
https://www.rctech.net/forum/r-c-ite...ler-%2460.html
You can still get parts for them here:
https://www.amainhobbies.com/kyosho-...parts/c232?p=5