Falken Azenis FK520 is a summer tyre made in total of 128 sizes, ranging from R17 to R17 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 225/40 R20 is 20mm wider than the narrowest dimension (205) and 100mm narrower than the widest one (325). 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 R20, there is only one possible speed index for Falken Azenis FK520 - "Y", which is good for speeds up to 300 km/h.
Relevant tyre tests in same or similiar dimension (225/40 R20)

| Name | Points total | Wet | Dry | Enviromental impact | Rolling resistance | Noise | |
|---|---|---|---|---|---|---|---|
| Best values in test | 141 | 68 | 55 | 23 | 16 | 7 | |
| Falken Azenis FK520 | 135 | 62 | 52 | 21 | 15 | 6 | |
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| Name | |||||||
|---|---|---|---|---|---|---|---|
| Falken Azenis FK520 | |||||||
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| Name | Enviromental impact | Driving safety | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 1,6 | 1,5 | |||||
| Falken Azenis FK520 | 2,4 | 2,4 | |||||
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| Name | Points total | Wet | Dry | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 279 | 141 | 139 | ||||
| Falken Azenis FK520 | 219 | 102 | 117 | ||||
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| Name | Wet | Dry | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | |||||
| Falken Azenis FK520 | 2 | 2 | |||||
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| Name | |||||||
|---|---|---|---|---|---|---|---|
| Falken Azenis FK520 | |||||||
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| Name | Wet | Dry | Running costs | ||||
|---|---|---|---|---|---|---|---|
| Best values in test | 2+ | 1- | 1 | ||||
| Falken Azenis FK520 | 2- | 2+ | 2 | ||||
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| Name | Stopping distance on dry | Stopping distance on wet | |||||
|---|---|---|---|---|---|---|---|
| Best values in test | 58.1 | 24.8 | |||||
| Falken Azenis FK520 | 60.7 | 27 | |||||
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| Name | Wet | Dry | Rolling resistance | Noise | |||
|---|---|---|---|---|---|---|---|
| Best values in test | 71 | 54 | 19 | 7 | |||
| Falken Azenis FK520 | 60 | 50 | 17 | 6 | |||
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| # | Name | Our rating | Tested in this dimension | Tested in same width dimension | Segment | Price |
|---|---|---|---|---|---|---|
| 1. | Michelin Pilot Sport 4 Suv | Premium | £238 94 Y | |||
| 2. | Pirelli P ZERO lx. | Premium | £233 94 Y | |||
| 3. | Bridgestone POTENZA SPORT! Newer model available: Bridgestone Potenza Sport Evo | Premium | ||||
| 4. | Bridgestone Turanza 6 | Premium | £204 0 | |||
| 5. | Continental Premiumcontact 6! Newer model available: Continental PremiumContact 7 | Premium | £235 94 Y + 2 | |||
| 6. | Hankook Ventus S1 evo3 SUV K127A | Premium | £204 94 Y | |||
| 7. | Goodyear Eagle F1 Supersport | Premium | £201 94 Y |