Lots of cars for different price ranges, but to say you could not get a decent 68 charger for your 5-8k, they are still out there. I found one laying in a back yard for 20years, that ran just last Feb.
I found the key is to stay on top of new listing, craigslist etc, and be fast to jump, have cash in hand, and get to them before the flippers do.
It also depends on time you want to invest and wait to get a car.
If you want one now, you just find best one in the price range that fits your needs.
Otherwise, narrow down to a couple different models, and maybe one oh yeah if it came along model, and just search everyday.
Plus the more you look and see what is out there for the $$$, you will know without a doubt when you find a good deal, and what to look for.
My 2 Cents!