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 122 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/45 R18 is 70mm wider than the narrowest dimension (185) and -10mm narrower than the widest one (245). 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. In 255/45 R18, Primacy 4+ usually competes against Turanza 6, which is a tyre from Bridgestone with a rating of 83%, compared to 77% of the Michelin in question.