TreadCompass

Buick Roadmaster Lug Nut Torque

The 1991–1996 Buick Roadmaster lug nut torque is 100 ft-lbs (136 N·m).

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Buick Roadmaster · 1991–1996

Lug nut torque
100ft-lbs136 N·m
Same spec for every year 1991–1996.
  • ✓ 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 Buick Roadmaster

Compare prices across retailers for your size.

225/75R151991–1996 · Compare prices →235/70R151991–1996 · Compare prices →

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Buick Roadmaster lug nut torque FAQ

What is the lug nut torque for a Buick Roadmaster?

The 1991–1996 Buick Roadmaster lug nut torque is 100 ft-lbs (136 N·m). Tighten in a star pattern with a torque wrench, then re-check after the first 50–100 miles.

Do all Roadmaster trims use the same lug nut torque?

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

Has the Buick Roadmaster lug nut torque changed over the years?

No. It has been 100 ft-lbs (136 N·m) for every model year we have, 1991–1996.

What size tires come on the Buick Roadmaster?

Factory tire sizes include 225/75R15 (1991–1996) and 235/70R15 (1991–1996). 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.