This...
Devilsolsi wrote: I think it depends on the car and the known problems with that model. If it is a C6 corvette I probably wouldn't bother. If it were a Ferrari 355 I would. It also comes down to how much research have you done, and how much do you know about the history of the car. Also...do you feel lucky?
but also this:
Mister Fister wrote: PPIs are worth it when you're purchasing rare or exotic cars so you know what you're getting into - otherwise generally a waste of time. And only useful if the person performing the PPI is even competent - I have had some done by idiots who didn't catch very simple things.
I paid for PPI's on my Boxster and Elise, knowing that the next owner will likely do the same. That being said, I sold a specialty car to a gentleman who insisted on a dealer PPI. Drove it to the dealer, watched them check the tires, plug in an OBD scanner and come back 30 minutes later. He seemed satisfied, but I would've been pissed if that was my $200...