TreadCompass

GMC S15 Lug Nut Torque

The 1982–1993 GMC S15 lug nut torque is 80 ft-lbs (108 N·m).

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GMC S15 · 1982–1993

Lug nut torque
80ft-lbs108 N·m
Same spec for every year 1982–1993.
  • ✓ Tighten in a star pattern, in two passes, with a torque wrench (not an impact gun)
  • ✓ Re-check the torque after the first 50–100 miles
  • ✓ Confirm against your owner’s manual; aftermarket wheels can differ

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.

Factory tire sizes for the GMC S15

Compare prices across retailers for your size.

195/75R141982–1993 · Compare prices →235/75R151982–1993 · Compare prices →195/75R151982–1989 · Compare prices →205/75R141982–1988 · Compare prices →215/65R151989–1993 · Compare prices →205/75R151990–1993 · Compare prices →

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GMC S15 lug nut torque FAQ

What is the lug nut torque for a GMC S15?

The 1982–1993 GMC S15 lug nut torque is 80 ft-lbs (108 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all S15 trims use the same lug nut torque?

Yes. Every S15 trim in our database uses the same lug nut torque for a given model year.

Has the GMC S15 lug nut torque changed over the years?

No. It has been 80 ft-lbs (108 N·m) for every model year we have, 1982–1993.

What size tires come on the GMC S15?

Factory tire sizes include 195/75R14 (1982–1993), 235/75R15 (1982–1993), 195/75R15 (1982–1989), 205/75R14 (1982–1988), 215/65R15 (1989–1993) and 205/75R15 (1990–1993). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.

New to torquing wheels? See how to torque lug nuts and common questions.