While researching some upgrades for my '92 gmc pick up, I was referenced to a fitting guide that listed 4"x6" speakers. I think the rear speakers are the same size, as I havnt found any listing for other size speakers. Hope that helps.
4 by 6 in. 2 tweeters on the front
Front (in dash) speakers are 4"
The 1992 Toyota Camry front dashboard speakers measure 4.5 inches in diameter. The front door speakers measure three inches by five inches.
The front speakers in a 1992 Toyota Celica are located in the front door and measure 6 1/2 inches. The dash speakers measure 4 inches. The rear side panel speakers and the rear deck speakers measure 6 3/4 inches.
6.5" front and rear
Front speakers are in the door. remove screws on the door panel, then remove the panel and you'll see the speaker
5-1/4 front, 5x7 rear
6.5. All four of them
All four are 6 inch.
Front speakers are 4"x6" Rear speakers are 6-3/4" This is according to Crutchfield.com
5.25 inch
the firing order for a 1992 gmc sierra c1500 v6 4.3 liter is 1-3-5 drive side front to rear 6-4-2 passenger side front to rear
It should have three sets for the front seat in a standard cab.