TreadCompass

Mercury Grand Marquis Lug Nut Torque

The 1985–2011 Mercury Grand Marquis lug nut torque is 100 ft-lbs (136 N·m).

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Mercury Grand Marquis · 1985–2011

Lug nut torque
100ft-lbs136 N·m
Same spec for every year 1985–2011.
  • ✓ 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 Mercury Grand Marquis

Compare prices across retailers for your size.

225/60R161995–2008 · Compare prices →215/70R151985–1997 · Compare prices →225/60R172008–2011 · Compare prices →

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Mercury Grand Marquis lug nut torque FAQ

What is the lug nut torque for a Mercury Grand Marquis?

The 1985–2011 Mercury Grand Marquis 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 Grand Marquis trims use the same lug nut torque?

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

Has the Mercury Grand Marquis lug nut torque changed over the years?

No. It has been 100 ft-lbs (136 N·m) for every model year we have, 1985–2011.

What size tires come on the Mercury Grand Marquis?

Factory tire sizes include 225/60R16 (1995–2008), 215/70R15 (1985–1997) and 225/60R17 (2008–2011). 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.