Michelin Primacy 3 is a summer tyre made in total of 175 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/45 R17 is 50mm wider than the narrowest dimension (185) and -40mm narrower than the widest one (195). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In 235/45 R17, there are 2 possible speed indexes for Michelin Primacy 3 - "Y","W", which are good for speeds up to 300, 270 km/h. In 235/45 R17, Primacy 3 usually competes against PremiumContact 6, which is a tyre from Continental with a rating of %, compared to 0% of the Michelin in question.
