Continental EcoContact 6 Q 285/40 R23

Continental EcoContact 6 Q is a summer tyre made in total of 112 sizes, ranging from R16 to R16 - this particular dimension is R23, which means it fits to a 23 inch/584.2mm diameter wheel. 285/40 R23 is 90mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (325). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (285mm), which results in 114mm sidewall height.