We have had people crash our only demo V6 and it costs them nothing......
We didnt even have any test drives on our V6s, they just bought them.
People can feel that they have the right to drive it, but we all know people go out for a drive with no intention of driving, if your genuine buyer, a salesman will spot it. If your there to just havea drive, i can easily say no.
Its the dealers discretion, and when we buy the cars first its our money on the line, and being a small dealer with little facotry support, we cant risk letting freebies out.