Comparison of tire sizes 185/55 R15 and 165/70 R13

185/55R15




185mm102mm585mm1836mm
185
55
15
165
70
13
Parameters Sizes | Old | New | |||
---|---|---|---|---|---|
Diameter, mm | 585 | 561 | -24 (-4.1%) | ||
Width, mm | 185 | 165 | -20 (-10.8%) | ||
Circumference, mm | 1836 | 1763 | -73 (-4%) | ||
Profile height, mm | 102 | 115 | +13 (+12.7%) | ||
RPM per km | 545 | 567 | +22 (+4%) | ||
Clearance change, mm | -12 | ||||
Result: | The diameter differs by -4.1%. |
Speedometer reading (km/h) | |
---|---|
Real speed (km/h) | 96 |
Difference (km/h) | -4 |
Sizes for comparison of tires 185/55 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 165/70 R13
R13
R14 +1
R15 +2