2004 GMC Sierra C1500 Reg Cab Bolt Pattern


Bolt Pattern
6x139.7mm = 6x5.5 inches
Tire Sizes
Option 1
235/75R16 = 29.9x9.3R16
Option 2
255/70R16 = 30.1x10R16

The 2004 GMC Sierra C1500 Reg Cab bolt pattern is 6-139.7 mm. This means there are 6 lugs and the diameter of the circle that the lugs make up measures 139.7 mm or 5.5 inches across. To get a close measurement of your 6 lug bolt pattern without a bolt pattern tool you should measure from the center of one lug to the center of the lug across from it.