2wd is 5 x 127mm and 4wd is 6 x 139.7mm
Bolt pattern for a 1985 GMC Sierra Classic 1500 is 6x5.5 (That is what mine is)
6x5.5
6x5.5
6 x 5.5
six on 5.5 chipc@kovach.net
The bolt pattern for a 2004 GMC Sierra 1500 is 6 bolts with a spacing of 5.5 inches (or 139.7 mm). This is commonly referred to as a 6x5.5 bolt pattern. It's important to also consider the wheel offset and center bore when selecting new wheels for proper fitment.
4.52" backspacing -12mm offset 16X7 6 on 139mm bolt pattern
The bolt pattern for a 1998 GMC Sierra SLT 1500 is 6x139.7 mm, which is equivalent to 6x5.5 inches. This means there are six bolt holes arranged in a circle with a diameter of 139.7 mm. When looking for compatible wheels, ensure they match this specification for proper fitment.
The lug pattern for a 1990 GMC Sierra 1500 is typically 6x5.5 inches (or 6x139.7 mm). This means the vehicle has six bolt holes with a spacing of 5.5 inches between them. It's important to verify the specific model and any modifications, as variations may occur.
Yo Mama So Ugly she put the Boogie man outta business.
6x137.5
6x5.5