For the 2001 GMC Sonoma, the front speakers are 4 inches by 6 or 6-3/4 inches. The dash speakers are 4 inches by 6 inches, and the rear speakers are 4 inches by 10 inches. The rear side panel speakers are 4 inches by 10 inches, and the front door speakers are 6-3/4 inches.
The 2001 GMC Sierra has 6 1/2 inch speakers in the front as well as in the rear.
The 2000 GMC Sonoma has four speakers with the standard sound system. An upgraded sound system came with six speakers.
235/55/16 is stock on a 2000 gmc sonoma...tough size
Either 10mm or 3/8"
in the fuel tank
Under the hood.
The 2001 GMC Sierra 1500 dashboard speakers measure 4.5 inches in diameter. The front door speakers measure four inches by six inches. The rear speakers measure five inches by seven inches.
back speakers not sure what size
4x6 are the size of the door speakers on 2004 GMC Sierra. Standard cab
Remove the front grill to access the headlights.
The stock size of the speakers in a GMC Sierra are 4x6 in the rear. If they have not yet been switched out with an aftermarket, they will be the 4x6.
All four speakers are 4x6. I just ordered new 4x6's for my 93 GMC Sierra, and that is the stock size.