Tyre size calculator

255
45
20

Equivalent sizes for the 255/45 R20 tyre

Sidewall height 115 mmDiameter 738 mm Circumference 2317 mmRevolutions/km 432

Approved rim widths according to ETRTO: 8,5" – 8" – 9" – 9,5"

To be approved, a tyre's diameter may differ by no more than 2 %. The vehicle's load and speed indices must also be respected.

Tyre size equivalents

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
275/45 R19 -1.03 % 99.0 km/h 9" – 8,5" – 9,5" – 10" – 10,5"
TracmaxHankookUniroyal 15 models in stockFrom CHF 97.90 Summer9 Winter6
225/55 R19 -1.03 % 99.0 km/h —
TracmaxUniroyalMichelin 41 models in stockFrom CHF 87.90 Summer12 Winter13 All-season16
255/50 R19 0 % 100.0 km/h 8" – 7" – 7,5" – 8,5" – 9"
TracmaxFirestoneContinental 43 models in stockFrom CHF 97.90 Summer4 Winter23 All-season16
285/45 R19 +0.21 % 100.2 km/h 9,5" – 9" – 10" – 10,5"
AtturoKumhoNexen 12 models in stockFrom CHF 120.00 Summer5 Winter7
235/55 R19 +0.48 % 100.5 km/h —
PirelliNexenFalken 58 models in stockFrom CHF 90.90 Summer21 Winter20 All-season17
265/50 R19 +1.34 % 101.3 km/h 8,5" – 7,5" – 8" – 9" – 9,5"
BridgestoneKumhoNexen 29 models in stockFrom CHF 140.00 Summer8 Winter13 All-season8
245/55 R19 +1.96 % 102.0 km/h —
YokohamaBridgestoneMichelin 3 models in stockFrom CHF 169.00 Summer1 All-season2

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
275/40 R20 -1.31 % 98.7 km/h 9,5" – 9" – 10" – 10,5" – 11"
HankookTracmaxKumho 38 models in stockFrom CHF 101.00 Summer9 Winter17 All-season12
245/45 R20 -1.24 % 98.8 km/h 8" – 7,5" – 8,5" – 9"
TracmaxKumhoPirelli 37 models in stockFrom CHF 87.90 Summer15 Winter9 All-season13
255/45 R20 Your size 0 % 100.0 km/h 8,5" – 8" – 9" – 9,5"
TracmaxYokohamaKumho 33 models in stockFrom CHF 87.90 Summer14 Winter6 All-season13
265/45 R20 +1.21 % 101.2 km/h 9" – 8,5" – 9,5" – 10"
PirelliVredesteinTracmax 27 models in stockFrom CHF 95.90 Summer10 Winter9 All-season8

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
285/35 R21 -0.65 % 99.4 km/h 10" – 9,5" – 10,5" – 11"
HankookContinentalNexen 13 models in stockFrom CHF 235.00 Summer8 Winter5
255/40 R21 -0.03 % 100.0 km/h 9" – 8,5" – 9,5" – 10"
KleberHankookUniroyal 8 models in stockFrom CHF 215.00 Summer2 Winter6
265/40 R21 +1.07 % 101.1 km/h 9,5" – 9" – 10" – 10,5"
VredesteinHankookPirelli 21 models in stockFrom CHF 202.00 Summer9 Winter8 All-season4

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/35 R22 +0.90 % 100.9 km/h 9,5" – 9" – 10" – 10,5"
BridgestoneVredesteinHankook 6 models in stockFrom CHF 267.00 Summer1 Winter5
275/35 R22 +1.86 % 101.9 km/h 9,5" – 9" – 10" – 10,5" – 11"
KleberVredesteinContinental 7 models in stockFrom CHF 218.00 Summer3 Winter4

Sizes equivalent to 255/45 R20:

275/45 R19225/55 R19255/50 R19285/45 R19235/55 R19265/50 R19245/55 R19275/40 R20245/45 R20265/45 R20285/35 R21255/40 R21265/40 R21265/35 R22275/35 R22

255/45 R20 tyres in stock

View all 33 255/45 R20 tyres ›
Tracmax X Privilo S330Winter tyresTracmaxX Privilo S330 105VFrom CHF 87.90Yokohama Advan Sport V107Summer tyresYokohamaAdvan Sport V107 105YFrom CHF 209.00Kumho Ecsta PS71Summer tyresKumhoEcsta PS71 105YFrom CHF 161.00Nexen NFera SportSummer tyresNexenNFera Sport 105YFrom CHF 167.00
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This information is provided for guidance only and does not engage Rupteur's liability in any way.