Michelin Agilis 51 is a summer tyre made in total of 11 sizes, ranging from R14 to R14 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 215/65 R16 is 40mm wider than the narrowest dimension (175) and 10mm narrower than the widest one (225). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height. In 215/65 R16, there is only one possible speed index for Michelin Agilis 51 - "T", which is good for speeds up to 190 km/h. In 215/65 R16, Agilis 51 usually competes against PremiumContact 7, which is a tyre from Continental with a rating of 99%, compared to 0% of the Michelin in question.