What mm size are the lug nuts on a 2003 Volvo s40?

The lug nuts on a 2003 Volvo S40 typically have a size of 12mm x 1.5. This means the diameter of the lug nut is 12mm and the thread pitch is 1.5mm. It's important to use the correct size when replacing or tightening lug nuts to ensure safety and proper fit. Always consult your owner's manual or a professional if unsure.