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 2025 Cadillac OPTIQ 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 OPTIQ trims use the same lug nut torque?+
Yes. Every OPTIQ trim in our database uses the same lug nut torque for a given model year.
What size tires come on the Cadillac OPTIQ?+
Factory tire sizes include 245/50R20 (2025–2026) and 275/40R21 (2025–2026). Check the sidewall of your current tires to confirm yours, then compare prices for that size above.