Old Mustang Fastbacks are available for purchase through listings on MustangClassifieds.com and OldRide.com. EBay also has a selection of old Mustang Fastbacks for sale by owners and dealers.
MustangClassifieds.com specializes in helping users buy and sell old Mustangs. Fastbacks, Cobras and Shelby models are available here. New and used Mustangs from 1964-2015 are listed by owners and dealers on this site. Testimonials from buyers and sellers are also provided.
OldRide.com allows users to search for Mustang Fastbacks by location and price. As of 2015, Fastbacks from 1965-1969 are readily available. EBay has certain Fastbacks up for auction while others are sold for a set price.