Information about the 1988 GMC Jimmy Sierra Classic
What is the Bolt Pattern (PCD) for a 1988 GMC Jimmy Sierra Classic?
6x139.7
What size wheels fit a 1988 GMC Jimmy Sierra Classic?
The 1988 GMC Jimmy Sierra Classic fits 15 to 24 inch wheels that are 7 to 10 inches wide with an offset between -25 and +13, on a 6x139.7 bolt pattern.
What size tires come on a 1988 GMC Jimmy Sierra Classic?
The stock tire size on the 1988 GMC Jimmy Sierra Classic is 235/75R15.
What is the Center Bore / Hub Bore on a 1988 GMC Jimmy Sierra Classic?
78.1mm
Does the 1988 GMC Jimmy Sierra Classic use Lug Nuts or Lug Bolts?
Lug Nuts
What is the Thread Size on a 1988 GMC Jimmy Sierra Classic?
7/16 UNF
What mods are other 1988 GMC Jimmy Sierra Classic owners running?
Check out our GMC Jimmy Build Threads to see real-world examples of how other enthusiasts are customizing their cars. From wheels and tires to performance upgrades.