GoodYear Vector 4Seasons Gen-3 255/40 R21

GoodYear Vector 4Seasons Gen-3 is a allround tyre made in total of 198 sizes, ranging from R13 to R13 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/40 R21 is 80mm wider than the narrowest dimension (175) and 10mm narrower than the widest one (265). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (255mm), which results in 102mm sidewall height. In 255/40 R21, Vector 4Seasons Gen-3 usually competes against AllSeasonContact 2, which is a tyre from Continental with a rating of 90%, compared to 81% of the GoodYear in question.