Toyo Observe S944 is a winter tyre made in total of 50 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/55 R17 is 30mm wider than the narrowest dimension (185) and 10mm narrower than the widest one (225). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R17, there is only one possible speed index for Toyo Observe S944 - "V", which is good for speeds up to 240 km/h.
Relevant tyre tests in same or similiar dimension (215/55 R17)
|Name||Stopping distance on wet||Stopping distance on snow|
|Best values in test||32,8||25,4|
|Toyo Observe S944||37,7||26,8|
|Best values in test||2,0||1,8||1,4||1,8||1,5||2,7||1,5|
|Toyo Observe S944||3,1||2,1||2,8||2,0||2,8||3,0||2,0|
|Show test details|