An old Porsche Boxster is RWD, can get manual, mid engined, handles extremely well, and is very cheap considering what you are getting. Only two seats though. Oodles of fun.

 

https://www.trademe.co.nz/a/motors/cars/porsche/listing/2781536226?bof=OWeoN9ma

 

https://www.trademe.co.nz/Browse/SearchResults.aspx?searchString=Porsche+Boxster&type=Search&searchType=all&user_region=100&user_district=0&generalSearch_keypresses=14&generalSearch_suggested=0&generalSearch_suggestedCategory=