2007 pontiac grand prix

Looking to sell my 2007 Grand Prix. Purchase for our college bound son 4 years ago. Current OD reads 143,321 miles with current State inspection (NJ). Title in hand. Has some issues (ie AC blows does not blow cold air, rip in front passenger seat, check engine light on) Gaging interest at this...

2007 Pontiac Grand Prix being offered by owner. Gaging interest.

I have a 2007 grand prix with the monsoon sound system and blew one of the 6x9 speakers on the rear deck and wondering what the brand of speakers are and what i could place in there that would sound equal to or better then the original (also i like bass) (also is it true that the original 6x9's...