Source: TreadCompass vehicle fitment database. Page updated November 2026. Specs can vary with aftermarket wheels and lug hardware, so always confirm with your owner’s manual.
The 2001 GMC Sierra C3 lug nut torque is 140 ft-lbs (190 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.
Do all Sierra C3 trims use the same lug nut torque?+
Yes. Every Sierra C3 trim in our database uses the same lug nut torque for a given model year.
What size tires come on the GMC Sierra C3?+
Factory tire sizes include 265/70R17 (2001). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.