Comparison of tire sizes 235/40 R17 and 225/45 R17

235/40R17
235 Tire width
40 Profile height
R17 Tire diameter
514 RPM per km
235mm94mm620mm1947mm
235
40
17
225
45
17
Parameters Sizes Old New
Diameter, mm620634+14 (+2.3%)
Width, mm235225-10 (-4.3%)
Circumference, mm19471993+46 (+2.4%)
Profile height, mm94101+7 (+7.4%)
RPM per km514502-12 (-2.3%)
Clearance change, mm+7
Result:
The diameter differs by 2.3%.
Speedometer reading (km/h)
Real speed (km/h)102.4
Difference (km/h)2.4

Sizes for comparison of tires 235/40 R17

R17
R16 -1
R18 +1
R15 -2
R19 +2

Sizes for comparison of tires 225/45 R17

R17
R16 -1
R18 +1
R15 -2
R19 +2

Ads by size 225/45 R17