Goodyear Efficient Grip Performance is a summer tyre made in total of 153 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/45 R17 is 30mm wider than the narrowest dimension (175) and 10mm narrower than the widest one (215). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (205mm), which results in 92.25mm sidewall height. In 205/45 R17, there is only one possible speed index for Goodyear Efficient Grip Performance - "V", which is good for speeds up to 240 km/h. In 205/45 R17, Efficient Grip Performance usually competes against Ecocontact 6, which is a tyre from Continental with a rating of 48%, compared to 38% of the Goodyear in question.
