What is the most badass used car for under/around 20k?

I would like for all factors be considered for example HP, torque, reliability, looks, etc. and unfortunately will need to have a back seat (sigh). Overall badassnes! I need it to be fast and fun to drive. I currently have an 09 Mazda Rx-8 Gt and will be trading it next year but I cant decide. So far I been looking

I would like for all factors be considered for example HP, torque, reliability, looks, etc. and unfortunately will need to have a back seat (sigh). Overall badassnes! I need it to be fast and fun to drive. I currently have an 09 Mazda Rx-8 Gt and will be trading it next year but I cant decide. So far I been looking at 2012 Mazda Mazdaspeed3, 08 Mitsubishi lancer evo GSR, 2011 Mustang Gt 5.0, 2011 Camaro, things like that.

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craig:
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RE:
What is the most badass used car for under/around 20k?
I would like for all factors be considered for example HP, torque, reliability, looks, etc. and unfortunately will need to have a back seat (sigh). Overall badassnes! I need it to be fast and fun to drive. I currently have an 09 Mazda Rx-8 Gt and will be trading it next year but I cant decide. So…

Old Man Dirt:
Concerning Mazda- stay away from R models.
If it is a Ford product and you see SVT on it- it is a sleeper. The SHO's were/are bad too- but I am not sure what used ones are going for.
Several Subaru (WR models)
Mazda Speed products.
The Lincoln Mk VIII is also a performer and underrated.
C7S:
2004 Maserati Coupe, 1999-2002 Porsche 911. Oh wait, you said reliability.

In that case,
Acura TSX or older TL Type S

Kyle:
Chevy cobalt ss! They are reliable if you take care of them and they are fast! Turbo 0-60 is 5.7. Cobalts are made from 2005-2010. If you get a cobalt ss from 2005-2006 it is supercharged. If it's from 2007-2010 it will come turbocharged. They are great looking cars too! Here's some pictures
Marian:
2012 Honda Civic. All of the Honda's are amazing! The Mazda's, I heard, are bad. "Never get a Mazda," my teacher said.