Michelin Pilot Alpin PA4 is a winter tyre made in total of 115 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/35 R19 is 30mm wider than the narrowest dimension (225) and 90mm narrower than the widest one (345). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R19, there is only one possible speed index for Michelin Pilot Alpin PA4 - "V", which is good for speeds up to 240 km/h. In 255/35 R19, Pilot Alpin PA4 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 0% of the Michelin in question. Latest test in 255/35 R19 was held by Autobild in 2019, where Pilot Alpin PA4 received rating "Good" and finished on the 6. place. It was tested on a Audi RS5 Sportback.