Tyre size calculator

235
45
18

Equivalent sizes for the 235/45 R18 tyre

Sidewall height 106 mmDiameter 669 mm Circumference 2101 mmRevolutions/km 476

Approved rim widths according to ETRTO: 8" – 7,5" – 8,5" – 9"

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
225/50 R17 -1.79 % 98.2 km/h 7" – 6" – 6,5" – 7,5" – 8"
YokohamaContinentalTracmax 90 models in stockFrom CHF 72.90 Summer34 Winter34 All-season22
205/55 R17 -1.71 % 98.3 km/h —
TracmaxBridgestoneLaufenn 39 models in stockFrom CHF 69.90 Summer8 Winter17 All-season14
255/45 R17 -1.10 % 98.9 km/h 8,5" – 8" – 9" – 9,5"
Continental 1 model in stockFrom CHF 321.00 Winter1
235/50 R17 -0.30 % 99.7 km/h 7,5" – 6,5" – 7" – 8" – 8,5"
KleberHankookTracmax 14 models in stockFrom CHF 74.90 Summer8 Winter4 All-season2
215/55 R17 -0.08 % 99.9 km/h —
TracmaxNexenHankook 49 models in stockFrom CHF 71.90 Summer14 Winter18 All-season17
245/50 R17 +1.22 % 101.2 km/h 7,5" – 7" – 8" – 8,5" —
205/60 R17 +1.37 % 101.4 km/h —
BridgestoneLandspiderFalken 14 models in stockFrom CHF 75.90 Winter13 All-season1
225/55 R17 +1.56 % 101.6 km/h —
TracmaxHankookYokohama 86 models in stockFrom CHF 75.90 Summer30 Winter28 All-season28

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/45 R18 -1.37 % 98.6 km/h 7,5" – 7" – 8" – 8,5"
PirelliTracmaxHankook 68 models in stockFrom CHF 71.90 Summer20 Winter29 All-season19
255/40 R18 -1.14 % 98.9 km/h 9" – 8,5" – 9,5" – 10"
ContinentalTracmaxHankook 30 models in stockFrom CHF 78.90 Summer11 Winter14 All-season5
235/45 R18 Your size 0 % 100.0 km/h 8" – 7,5" – 8,5" – 9"
YokohamaKleberBridgestone 43 models in stockFrom CHF 75.90 Summer9 Winter21 All-season13
265/40 R18 +0.08 % 100.1 km/h 9,5" – 9" – 10" – 10,5"
NexenHankookContinental 4 models in stockFrom CHF 143.00 Summer2 Winter2
245/45 R18 +1.33 % 101.3 km/h 8" – 7,5" – 8,5" – 9"
TracmaxHankookContinental 54 models in stockFrom CHF 78.90 Summer18 Winter20 All-season16

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
255/35 R19 -1.14 % 98.9 km/h 9" – 8,5" – 9,5" – 10"
TracmaxPirelliKleber 42 models in stockFrom CHF 81.90 Summer10 Winter16 All-season16
225/40 R19 -0.91 % 99.1 km/h 8" – 7,5" – 8,5" – 9"
TracmaxKleberPirelli 38 models in stockFrom CHF 76.90 Summer16 Winter15 All-season7
265/35 R19 -0.11 % 99.9 km/h 9,5" – 9" – 10" – 10,5"
MaxxisFirestoneHankook 14 models in stockFrom CHF 136.00 Summer8 Winter6
235/40 R19 +0.27 % 100.3 km/h 8,5" – 8" – 9" – 9,5"
LandspiderPirelliContinental 42 models in stockFrom CHF 76.90 Summer12 Winter17 All-season13
245/40 R19 +1.48 % 101.5 km/h 8,5" – 8" – 9" – 9,5"
TracmaxLandspiderHankook 45 models in stockFrom CHF 81.90 Summer16 Winter17 All-season12

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
255/30 R20 -1.18 % 98.8 km/h 9" – 8,5" – 9,5"
YokohamaFalkenContinental 10 models in stockFrom CHF 78.90 Summer8 Winter2
225/35 R20 -0.49 % 99.5 km/h 8" – 7,5" – 8,5" – 9"
ContinentalHankookUniroyal 6 models in stockFrom CHF 159.00 Summer5 Winter1
265/30 R20 -0.27 % 99.7 km/h 9,5" – 9" – 10"
UniroyalContinentalVredestein 7 models in stockFrom CHF 205.00 Summer2 Winter5
235/35 R20 +0.57 % 100.6 km/h 8,5" – 8" – 9" – 9,5"
FirestoneNexenGoodyear 15 models in stockFrom CHF 172.00 Summer5 Winter9 All-season1
245/35 R20 +1.60 % 101.6 km/h 8,5" – 8" – 9" – 9,5"
TracmaxHankookLandspider 31 models in stockFrom CHF 81.90 Summer14 Winter9 All-season8

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/30 R21 +1.75 % 101.8 km/h 8,5" – 8" – 9" —

Sizes equivalent to 235/45 R18:

225/50 R17205/55 R17255/45 R17235/50 R17215/55 R17245/50 R17205/60 R17225/55 R17225/45 R18255/40 R18265/40 R18245/45 R18255/35 R19225/40 R19265/35 R19235/40 R19245/40 R19255/30 R20225/35 R20265/30 R20235/35 R20245/35 R20245/30 R21

235/45 R18 tyres in stock

View all 43 235/45 R18 tyres ›
Yokohama BluEarth Winter V906Winter tyresYokohamaBluEarth Winter V906 98VFrom CHF 137.00Kleber Krisalp HP3Winter tyresKleberKrisalp HP3 98VFrom CHF 145.00Bridgestone Turanza All Season 6All-Season TyresBridgestoneTuranza All Season 6 98YFrom CHF 155.00Continental PremiumContact 7Summer tyresContinentalPremiumContact 7 98YFrom CHF 175.00
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This information is provided for guidance only and does not engage Rupteur's liability in any way.