Barum Quartaris 5 is a allround tyre made in total of 46 sizes, ranging from R13 to R13 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 165/70 R14 is 10mm wider than the narrowest dimension (155) and 70mm narrower than the widest one (235). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (165mm), which results in 115.5mm sidewall height. In 165/70 R14, there is only one possible speed index for Barum Quartaris 5 - "T", which is good for speeds up to 190 km/h. In 165/70 R14, Quartaris 5 usually competes against Quadraxer 2, which is a tyre from Kleber with a rating of 61%, compared to 70% of the Barum in question.