245/50 R18 Goodyear Efficientgrip variants
Goodyear Efficientgrip is a summer tyre made in total of 86 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/50 R18 is 60mm wider than the narrowest dimension (185) and 40mm narrower than the widest one (285). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (245mm), which results in 122.5mm sidewall height. In 245/50 R18, there is only one possible speed index for Goodyear Efficientgrip - "W", which is good for speeds up to 270 km/h.
Goodyear Efficientgrip is made in 86 sizes, starting from 185/65 R14 up to 285/40 R20.
