Selling Car for College

I am selling a 1998 Pontiac Firebird 6 cyl. for $4,300.00 with a loud system $4,500.00 (12" box speakers, 600w amp. wires, and 6-6x9's). I need a cheap economical car for transportation for college and books. I paid $4,600.00 and trying to make a rational decision.