Did the car actually exist in the first place?
I think their MO is to find legit car listings, scrape the details, then republish them later so that things seem to check out. So, I suspect that the car in the listing is real and exists somewhere, but they may not have it.
They also seem to make a "casual background check" seem legit with a web site, pictures, fax #, street address (which they don't occupy), & copied testimonials, so that more people start to feel comfortable enough to send money. Since this seems to be happening over and over, I think one should avoid any transaction where:
#1: The dealer # is a pre-paid cellphone.
and/or
#2: They will give you a reason why you can never see the car in person.
and/or
#3: They request you wire deposit money without having seen the vehicle.
and/or
#4: They refuse to consider money brokering services and expect direct funds transfer.
and/or
#5: Any indication that they are "out of the country" for whatever reason.
and/or
#6: Any deal that just seems impossibly too good to be true.
I have seen similar things done with deposit money for rental properly too. Exercise the same cautions even if you see interior pictures, street address, and other details.
It is too easy to copy someone else's eBay or Craigslist posting and just republish it with new contact info for someone else that doesn't own the property in question.