225/40 R18 Toyo Observe Winter Sport 1 variants
Toyo Observe Winter Sport 1 is a winter tyre made in total of 7 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 10mm wider than the narrowest dimension (215) and 20mm narrower than the widest one (245). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R18, there is only one possible speed index for Toyo Observe Winter Sport 1 - "W", which is good for speeds up to 270 km/h. In 225/40 R18, Observe Winter Sport 1 usually competes against WR Snowproof P, which is a tyre from Nokian with a rating of 67%, compared to 65% of the Toyo in question. Latest test in 225/40 R18 was held by Autobild in 2025, where Observe Winter Sport 1 received rating "Satisfactory" and finished on the 17. place. It was tested on a BMW M135i.
Toyo Observe Winter Sport 1 is made in 7 sizes, starting from 215/55 R17 up to 245/45 R18.
Similar tires
Toyo Observe Winter Sport 1 in tyre tests
Relevant tyre tests in same or similiar dimension (225/40 R18)
| Name | Wet | Snow | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 32.6 | 27.1 | |||||
| Toyo Observe Winter Sport 1 | 33.3 | 29.7 | |||||
| Show test details | |||||||
satisfactory
Ranked #17 of 20
17th of 20, final rating: Satisfactory — overall the tyre proved weaker on snow, while testers noted strong lateral grip in wet conditions and low wear; it stood out for comfort, price/value and wet circle cornering.
| Name | Wet | Dry | Snow | Running costs | |||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 2+ | 1– | 1 | |||
| Toyo Observe Winter Sport 1 | 2+ | 2+ | 3+ | 2 | |||
| Show test details | |||||||
