Toyo Observe S944 is a winter tyre made in total of 53 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/60 R18 is 40mm wider than the narrowest dimension (185) and 0mm narrower than the widest one (225). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (225mm), which results in 135mm sidewall height. In 225/60 R18, there is only one possible speed index for Toyo Observe S944 - "V", which is good for speeds up to 240 km/h. In 225/60 R18, Observe S944 usually competes against MP93 Nordicca, which is a tyre from Matador with a rating of 40%, compared to 51% of the Toyo in question.
Relevant tyre tests in same or similiar dimension (225/60 R18)

| Name | Stopping distance on wet | Stopping distance on snow | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 31,4 | 29,2 | |||||
| Toyo Observe S944 | 35,7 | 30,8 | |||||
| Show test details | |||||||

| Name | Wet | Dry | Snow | Running costs | |||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 2+ | 1 | 2+ | |||
| Toyo Observe S944 | 3+ | 2 | 2- | 1- | |||
| Show test details | |||||||

| Name | Wet | Dry | Snow | Ice | Noise | Wear | |
|---|---|---|---|---|---|---|---|
| Best values in test | 1,6 | 1,9 | 1,5 | 2,1 | 2,7 | 1,5 | |
| Toyo Observe S944 | 3,3 | 2,5 | 2,9 | 2,1 | 3,4 | 3,0 | |
| Show test details | |||||||

| Name | Wet | Dry | Snow | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1- | 2 | 1- | ||||
| Toyo Observe S944 | 3+ | 2 | 2 | ||||
| Show test details | |||||||

| Name | Wet | Dry | Snow | Rolling resistance | Noise | ||
|---|---|---|---|---|---|---|---|
| Best values in test | 9,5 | 8,7 | 9,9 | 10 | 9 | ||
| Toyo Observe S944 | 6,1 | 7,8 | 6,9 | 7 | 7 | ||
| Show test details | |||||||

| Name | Wet | Dry | Snow | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 2+ | 1 | ||||
| Toyo Observe S944 | 2 | 2+ | 2- | ||||
| Show test details | |||||||