Comparison of tire sizes 225/55 R18 and 255/45 R18

225/55R18
225 Tire width
55 Profile height
R18 Tire diameter
452 RPM per km
225mm124mm705mm2214mm
225
55
18
255
45
18
Parameters Sizes Old New
Diameter, mm705687-18 (-2.6%)
Width, mm225255+30 (+13.3%)
Circumference, mm22142157-57 (-2.6%)
Profile height, mm124115-9 (-7.3%)
RPM per km452464+12 (+2.7%)
Clearance change, mm-9
Result:
The diameter differs by -2.6%.
Speedometer reading (km/h)
Real speed (km/h)97.4
Difference (km/h)-2.6

Sizes for comparison of tires 225/55 R18

R18
R17 -1
R19 +1
R16 -2
R20 +2

Sizes for comparison of tires 255/45 R18

R18
R17 -1
R19 +1
R16 -2
R20 +2

Ads by size 255/45 R18

  • Tires dunlop sport ma, 255/45/R18, Used. - MM.LV
    2
    Tires dunlop sport ma, 255/45/R18, Used.

    For sale Summer tires dunlop sport ma, 255/45/R18, In stock: 4 pc., Tread depth: 5 mm., Condition: Used.

    R18
    60 €/set
    21/06/2024Jurmala