I believe they are 8" by 9"
Crutchfield.com states that you can use up to 6"x8" in front doors and the same for rear deck.
The front speakers on a 2000 Pontiac Grand Am are 4x6. The rear speakers on a Pontiac Grand Am are 6x9.
Rear Deck Speakers Are 6x9" and the front door panel speakers are 5 1/4"
The front speakers in a 1997 Mercury Grand Marquis measure 6 inches by 8 inches and they are located in the front door. The rear speakers measure 6 x 9 inches and are located in the rear deck.
The front door speakers on a 2000 Pontiac Grand Am Se are 4x6. The rear deck speakers are 6x9.
See detailed instructions at the link below... http://www.autoclinix.com/Mercury/Rear%20Speakers.html
yes
You need to remove the rear seat to access the speakers and remove the covers.
The 2002 Mercury Grand Marquis LS typically comes with 6x8 inch speakers in the front doors and 6x8 inch speakers in the rear deck. These speakers are designed to provide a balanced sound experience for the vehicle's audio system. If you're considering upgrades or replacements, it's essential to verify the specific model and trim, as variations may exist.
Not that I know of , just rear wheel drive on a Mercury Grand Marquis from the factory
on a 1997 Mercury Grand Marquis kill switch be activated by a rear end collision
On a 2001 Mercury Grand Marquis : The fuel tank is mounted vertically behind the rear seat