The 2001 GMC Sierra has 6 1/2 inch speakers in the front as well as in the rear.
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.
The standard speaker size on a 1996 GMC Sierra truck is 9 inches. Larger speakers can be added but required the opening to be enlarged.
4x6 are the size of the door speakers on 2004 GMC Sierra. Standard cab
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.
6.5" round door speakers
go to circutcity.com and look up speakers for your model truck and they will tell you what size will fit.
The speakers in a 2006 GMC Sierra 1500 crew cab are 6.5 inches. However, the speaker manufacturer will refer to this size as 6.75 or 6 3/4 inch speakers.
It has 4x6" speakers.
What size speakers go on the rear of a 2001 Buick lesaber
The 2001 GMC Sierra-2500HD has a 6.0 L base engine size.
The 2001 GMC Sierra-1500 has a 4.3 L base engine size.