What would be a good price to sell my car?

i have a 1990 honda civic si has blitz body kit, 17" motegi mr-7 rims, candy apple red paint, done up interior, steering wheel, 1000 watt rms stero system, a 7"inch pioneer touch screen, with i pod connected to it and a ps2 molded in the dash and a b-18 but not installed wat would be a good price to seel this 4