4 x 6 rear 6-3/4 front
It has 4x6" speakers.
The 2006 Chevrolet Silverado-1500 has a V6 engine.
it should be 6.5'' round speakers
The 2006 Chevrolet Silverado-1500 has a 4.3 L base engine size.
Front Door Speakers are 6-1/2"
4×6
In a 2000 chevy Silverado 1500 z71 the front door speakers are 6.5"
The front door speakers in the 2001 Silverado 1500 HD Crew Cab measure 6 3/4 inches. The rear side panel speakers measure 4 inches by 6 inches.
well 6 3/4 front doors and 4x6 on back door panels according to schoche website
6.5" in the doors. Standard tweeter size (1.25" I think).
My 1996 Silverado Ext. Cab has 6.5" in the door panels as well as 4x6" in thee rear pillers..
The front speakers are 6.5" (round) and the back (in the extended cab doors) are the 4"x6" size.