You should get an older style standard dodge charger. VS the R/T and SR/T it only has 6 cylinders, so it won't eat away at you in gas if you don't want to spend a lot in the long run either. With only 6 cylinders the dodge does good for your gas. Mine has 8 cylinders, all of which I like to fire up. When I drive the speed limit I get about 18 mpg. When I fire it up...about 10.

. No joke. He's a beast.
But I digress, that's my R/T, not a standard charger. So, good with gas, and if you get a '06,'07, or an '08 you could find one used between 6 and 9 grand if you look around for a couple months. Dodge's are (in my experience and opinion) good, reliable cars and trucks that won't give you a bunch of hell, and will let everyone else on the road know you're pretty effin' serious.
But...if you just want a regular cars...I hear Toyota Camry's last FOREVER. My mom has one that's actually outlived it's owner.