Tyre size calculator

205
40
18

Equivalent sizes for the 205/40 R18 tyre

Sidewall height 82 mmDiameter 621 mm Circumference 1952 mmRevolutions/km 512

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

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
205/45 R17 -0.82 % 99.2 km/h 7" – 6,5" – 7,5"
TracmaxHankookContinental 40 models in stockFrom CHF 63.90 Summer9 Winter15 All-season16
235/40 R17 -0.25 % 99.8 km/h 8,5" – 8" – 9" – 9,5" —
175/55 R17 +0.49 % 100.5 km/h — —
215/45 R17 +0.65 % 100.7 km/h 7" – 7,5" – 8"
TracmaxYokohamaLandspider 33 models in stockFrom CHF 65.90 Summer9 Winter9 All-season15

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
225/35 R18 -1.06 % 98.9 km/h 8" – 7,5" – 8,5" – 9"
HankookNexenFalken 8 models in stockFrom CHF 111.00 Summer7 Winter1
205/40 R18 Your size 0 % 100.0 km/h 7,5" – 7" – 8"
FalkenHankookPirelli 19 models in stockFrom CHF 111.00 Summer10 Winter6 All-season3
215/40 R18 +1.27 % 101.3 km/h 7,5" – 7" – 8" – 8,5"
TracmaxPirelliLandspider 24 models in stockFrom CHF 65.90 Summer11 Winter5 All-season8

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
215/35 R19 +1.92 % 101.9 km/h 7,5" – 7" – 8" – 8,5" —

Sizes equivalent to 205/40 R18:

205/45 R17235/40 R17175/55 R17215/45 R17225/35 R18215/40 R18215/35 R19

205/40 R18 tyres in stock

View all 19 205/40 R18 tyres ›
Falken Azenis FK520Summer tyresFalkenAzenis FK520 86YFrom CHF 123.00Hankook Ventus evo K137Summer tyresHankookVentus evo K137 86YFrom CHF 139.00Pirelli P Zero Sports CarSummer tyresPirelliP Zero Sports Car 86WFrom CHF 177.00Nexen NFera SportSummer tyresNexenNFera Sport 86YFrom CHF 111.00
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This information is provided for guidance only and does not engage Rupteur's liability in any way.