Vredestein Ultrac Vorti is a summer tyre made in total of 74 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 30mm wider than the narrowest dimension (215) and 50mm narrower than the widest one (295). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R18, there is only one possible speed index for Vredestein Ultrac Vorti - "Y", which is good for speeds up to 300 km/h. In 245/40 R18, Ultrac Vorti usually competes against Quatrac Pro+, which is a tyre from Vredestein with a rating of 60%, compared to 0% of the Vredestein in question.
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Relevant tyre tests in same or similiar dimension (245/40 R18)

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | |||||
| Vredestein Ultrac Vorti | 2 | 2 | |||||
| Show test details | |||||||

| Name | Wet | Dry | Running costs | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1 | 1- | 1 | ||||
| Vredestein Ultrac Vorti | 2+ | 1- | 2 | ||||
| Show test details | |||||||

| Name | Stopping distance on dry | Stopping distance on wet | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 32,1 | 28,7 | |||||
| Vredestein Ultrac Vorti | 33,4 | 31,3 | |||||
| Show test details | |||||||

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1- | 1- | |||||
| Vredestein Ultrac Vorti | 2 | 2+ | |||||
| Show test details | |||||||

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | |||||
| Vredestein Ultrac Vorti | 2+ | 2+ | |||||
| Show test details | |||||||