Comparison of tire sizes 195/55 R15 and 155/60 R15
195/55R15
195
Tire width 
55
Profile height 
R15
Tire diameter 
535
RPM per km 195mm107mm596mm1871mm
195
55
15
155
60
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 596 | 567 | -29 (-4.9%) | ||
| Width, mm | 195 | 155 | -40 (-20.5%) | ||
| Circumference, mm | 1871 | 1781 | -90 (-4.8%) | ||
| Profile height, mm | 107 | 93 | -14 (-13.1%) | ||
| RPM per km | 535 | 561 | +26 (+4.9%) | ||
| Clearance change, mm | -15 | ||||
| Result: | The diameter differs by -4.9%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 95.2 |
| Difference (km/h) | -4.8 |
Sizes for comparison of tires 195/55 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 155/60 R15
R15
R14 -1
R16 +1
R13 -2