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. 225/50 R17 is 50mm wider than the narrowest dimension (175) and -10mm narrower than the widest one (215). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In 225/50 R17, there are 2 possible speed indexes for Goodyear Efficient Grip Performance - "W","V", which are good for speeds up to 270, 240 km/h. In 225/50 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.
