How much is a scion tc at an auction?

im looking for a car and i want either a scion or a nice looking not old bmw or something nice and luxurious lol or just a scion tc..just wanting to know how much they usually are in an auction so i know how much to save up for let me know the scion can be any year from 2005 to 2010 and the other ones i would like a little newer because the old one are ugly