Comparison of tire sizes 175/65 R15 and 185/65 R15

175/65R15
175 Tire width
65 Profile height
R15 Tire diameter
523 RPM per km
175mm114mm609mm1912mm
175
65
15
185
65
15
Parameters Sizes Old New
Diameter, mm609622+13 (+2.1%)
Width, mm175185+10 (+5.7%)
Circumference, mm19121952+40 (+2.1%)
Profile height, mm114120+6 (+5.3%)
RPM per km523512-11 (-2.1%)
Clearance change, mm+7
Result:
The diameter differs by 2.1%.
Speedometer reading (km/h)
Real speed (km/h)102.1
Difference (km/h)2.1

Sizes for comparison of tires 175/65 R15

R15
R14 -1
R16 +1
R13 -2
R17 +2

Sizes for comparison of tires 185/65 R15

R15
R14 -1
R16 +1
R13 -2
R17 +2

Ads by size 185/65 R15