Barum Bravuris 5 HM is a summer tyre made in total of 159 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 255/35 R18 is 90mm wider than the narrowest dimension (165) and 10mm narrower than the widest one (265). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R18, there is only one possible speed index for Barum Bravuris 5 HM - "Y", which is good for speeds up to 300 km/h. In 255/35 R18, Bravuris 5 HM usually competes against MP47 Hectorra 3, which is a tyre from Matador with a rating of 44%, compared to 39% of the Barum in question.