You wont find a $15k Cobra on here. Terminator owners on here think their car is worth their weight in gold, Then they wonder why they have 5 pages of "bumps" over the course of a year.
Your best bet is to keep your eyes peeled on craigslist, Youll find some good cars from people who actually want to move them and not sit on them for a year. A nice 10th ANN Torch Red Coupe with 80k just sold on craigslist recently here for $16k.
Difference between someone who HAS to sell the car and someone who doesn't. Plain and simple. This websites majority is the latter, therefore the cars will be priced accordingly. These are toys, not Necessities.