255/45 R18 Michelin Primacy 4 variants

Weight index

Select: 9999

Speed index

Select: Select, Y (300 km/h)Y (300 km/h)

This combination is not available.

MFSNo

RunflatNo

Michelin Primacy 4 is a summer tyre made in total of 383 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/45 R18 is 100mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (305). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In 255/45 R18, there is only one possible speed index for Michelin Primacy 4 - "Y", which is good for speeds up to 300 km/h.