Yokohama BluEarth RV-02 is a summer tyre made in total of 19 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 215/50 R18 is 20mm wider than the narrowest dimension (195) and 30mm narrower than the widest one (245). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In 215/50 R18, there is only one possible speed index for Yokohama BluEarth RV-02 - "V", which is good for speeds up to 240 km/h. Latest test in 215/50 R18 was held by Gute-Fahrt in 2020, where BluEarth RV-02 received rating "" and finished on the 7. place. It was tested on a .