It will be slightly oversized 6.5" speakers if the car came without a factory CD Player, or 6" x 9"s with factory CD player.
Stock rear speakers are 6 1/2" round speakers.
6x9
they are 6X9 in the rear and 6 1/2 in the doors
The speakers in the doors of a 1994 Nissan Pathfinder are 5x7 inches. The rear pillar speakers are 6.5 inches.
they are 4x6 rear speakers are 6x9
they are 4 by 8
Answer 5 1/2 for the rear and 5 1/4 for the front.
6 1/2 in door 6x9 in rear deck
5.25" rear 6x9 in doors
Both dash and rear panels use 4x6 in speakers
The 2005 Nissan Altima has door speakers that are 6.5 inches. If you are replacing your speakers, you can also use a 5.5-inch size.
If you have the Bose sound system crutchfield.com says the front speakers are 6 1/2" and rear doors are 5 1/4"