Tyre size calculator

255
55
18

Equivalent sizes for the 255/55 R18 tyre

Sidewall height 140 mmDiameter 738 mm Circumference 2318 mmRevolutions/km 431

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

17″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/65 R17 -1.79 % 98.2 km/h —
TracmaxRikenKleber 48 models in stockFrom CHF 78.90 Summer11 Winter14 All-season23
275/55 R17 -0.45 % 99.6 km/h —
HankookBridgestoneVredestein 5 models in stockFrom CHF 153.00 Summer3 Winter1 All-season1
235/65 R17 -0.03 % 100.0 km/h —
LaufennTracmaxLandspider 50 models in stockFrom CHF 81.90 Summer11 Winter18 All-season21
255/60 R17 +0.03 % 100.0 km/h —
TracmaxNexenKumho 6 models in stockFrom CHF 87.90 Winter5 All-season1
225/70 R17 +1.24 % 101.2 km/h —
BridgestoneFalken 2 models in stockFrom CHF 167.00 Winter1 All-season1
245/65 R17 +1.72 % 101.7 km/h —
TracmaxKumhoHankook 11 models in stockFrom CHF 94.90 Summer3 Winter3 All-season5

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/60 R18 -1.41 % 98.6 km/h —
TracmaxPirelliVredestein 39 models in stockFrom CHF 81.90 Summer5 Winter19 All-season15
255/55 R18 Your size 0 % 100.0 km/h —
TracmaxYokohamaFirestone 39 models in stockFrom CHF 88.90 Summer8 Winter15 All-season16
235/60 R18 +0.21 % 100.2 km/h —
TracmaxBridgestoneYokohama 63 models in stockFrom CHF 85.90 Summer15 Winter31 All-season17
285/50 R18 +0.62 % 100.6 km/h 9" – 8" – 8,5" – 9,5" – 10" —
225/65 R18 +1.65 % 101.7 km/h — —
245/60 R18 +1.83 % 101.8 km/h —
TracmaxKumhoNexen 9 models in stockFrom CHF 84.90 Summer2 Winter5 All-season2

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 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 255/55 R18:

225/65 R17275/55 R17235/65 R17255/60 R17225/70 R17245/65 R17225/60 R18235/60 R18285/50 R18225/65 R18245/60 R18275/45 R19225/55 R19255/50 R19285/45 R19235/55 R19265/50 R19245/55 R19275/40 R20245/45 R20255/45 R20265/45 R20285/35 R21255/40 R21

255/55 R18 tyres in stock

View all 39 255/55 R18 tyres ›
Tracmax Ice-Plus S220Winter tyresTracmaxIce-Plus S220 109HFrom CHF 88.90Yokohama Bluearth 4S AW21All-Season TyresYokohamaBluearth 4S AW21 109WFrom CHF 136.00Firestone WinterHawk 4Winter tyresFirestoneWinterHawk 4 109VFrom CHF 137.00Continental AllSeasonContact 2All-Season TyresContinentalAllSeasonContact 2 105TFrom CHF 174.00
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This information is provided for guidance only and does not engage Rupteur's liability in any way.