There should be a sticker on the inside of the drivers door are glove box that will have the factory tire size written on it.
P245/75 R16 Chevy stock size
185/70R14
The stock size of your tire should be on a sticker placed near the door latch on the drivers door.
It is P235/70R17.
255/70 R16
This matters if a 1500, 2500, or 3500...
31 inches i have them on my 1999 and they dont rub
What is the stock size tire for a 1994 sierra Z71
Tire size is 235's. That is the stock size.
The stock (OEM) tire size for a 1998 Chevrolet Tahoe is 245/75R16.
The stock tire size is probably on the driver's door placard (assuming it is original door).
205 55 R16 is listed as the stock size tire I have on my 2004 PT Cruiser.