It will tell you in the owners manual are you can open the drivers door and look at the sticker in the door jam and it will tell you too.
16x7
I got a 2003 Chevy silverado 4x4 z71 stock suspension , and i install on it 285/75r16 tires, that's the biggest tire that you can use, i put that tire size to in a 2002 Chevy silverado work truck 4x2, with no problems. You can trust, good luck.
All the speakers in a 1991 Chevy Silverado should be 4x6 if they are stock.
P245/75 R16 Chevy stock size
what is the tank size to a 2001 Chevy silverado 1500 ext cab
Stock speakers should be 4x6's
6.5" in the doors. Standard tweeter size (1.25" I think).
235/65/R16
10mm
35 mm
265/75/16
what is the size of the back window of a 2004 chevy silverado