Michelin Pilot Sport 4 is a summer tyre made in total of 183 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 245/45 R21 is 40mm wider than the narrowest dimension (205) and 80mm narrower than the widest one (325). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (245mm), which results in 110.25mm sidewall height. In 245/45 R21, there is only one possible speed index for Michelin Pilot Sport 4 - "W", which is good for speeds up to 270 km/h.
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Relevant tyre tests in same or similiar dimension (245/45 R21)

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | |||||
| Michelin Pilot Sport 4 | 2 | 2+ | |||||
| Show test details | |||||||

| Name | Wet | Dry | Enviromental impact | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 9,0 | 9,7 | 9,4 | ||||
| Michelin Pilot Sport 4 | 7,2 | 8,3 | 8,3 | ||||
| Show test details | |||||||

| Name | Stopping distance on dry | Stopping distance on wet | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 32,1 | 28,7 | |||||
| Michelin Pilot Sport 4 | 32,1 | 29,8 | |||||
| Show test details | |||||||

| Name | Wet | Dry | Running costs | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1 | 1- | 1 | ||||
| Michelin Pilot Sport 4 | 1- | 1- | 2- | ||||
| Show test details | |||||||

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1- | 1- | |||||
| Michelin Pilot Sport 4 | 2 | 2+ | |||||
| Show test details | |||||||

| Name | Points total | ||||||
|---|---|---|---|---|---|---|---|
| Best values in test | 9,4 | ||||||
| Michelin Pilot Sport 4 | 9,4 | ||||||
| Show test details | |||||||

| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | |||||
| Michelin Pilot Sport 4 | 2+ | 1- | |||||
| Show test details | |||||||
| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Michelin Pilot Sport 4 SUV | Premium | £297 104 W | |||
| 2. | Pirelli P ZERO PZ4 | Premium | £256 104 Y + 1 | |||
| 3. | Continental PremiumContact 6! Newer model available: Continental PremiumContact 7 | Premium | £333 104 Y | |||
| 4. | Hankook Ventus S1 evo3 SUV K127A | Premium | £216 104 Y | |||
| 5. | Yokohama ADVAN Sport V107 | Upper-middle | £216 104 Y |