Michelin Pilot Sport 4 is a summer tyre made in total of 159 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/55 R17 is 20mm wider than the narrowest dimension (205) and 100mm narrower than the widest one (325). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In 225/55 R17, there is only one possible speed index for Michelin Pilot Sport 4 - "Y", which is good for speeds up to 300 km/h.
Relevant tyre tests in same or similiar dimension (225/55 R17)
Autobild Summer tyre test 2022 225/45 R18 exemplary Ranked #1 of 11Securing the top spot among 11 competitors, the Michelin Pilot Sport 4 emerged as the victor with an overall final rating of 'Exemplary.' Renowned for its premium summer tire capabilities, this tire has demonstrated outstanding dynamic driving properties on dry surfaces, offering direct steering response with excellent feedback. It assures safe handling in wet conditions, backed by short braking distances on both wet and dry roads. Additionally, it stands out for its fuel-efficient rolling resistance. Despite its high price point, the tire's performance justifies the investment. It notably excelled in disciplines such as Dry Handling, Comfort, and Rolling Resistance, affirming its superior design and engineering without underperforming in any tested property.