Comparison of tire sizes 185/55 R15 and 175/55 R15

185/55R15




185mm102mm585mm1836mm
185
55
15
175
55
15
Parameters Sizes | Old | New | |||
---|---|---|---|---|---|
Diameter, mm | 585 | 574 | -11 (-1.9%) | ||
Width, mm | 185 | 175 | -10 (-5.4%) | ||
Circumference, mm | 1836 | 1802 | -34 (-1.9%) | ||
Profile height, mm | 102 | 96 | -6 (-5.9%) | ||
RPM per km | 545 | 555 | +10 (+1.8%) | ||
Clearance change, mm | -6 | ||||
Result: | The diameter differs by -1.9%. |
Speedometer reading (km/h) | |
---|---|
Real speed (km/h) | 98.1 |
Difference (km/h) | -1.9 |
Sizes for comparison of tires 185/55 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 175/55 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2