Comparison of tire sizes 195/70 R13 and 175/55 R15
195/70R13
195
Tire width 
70
Profile height 
R13
Tire diameter 
528
RPM per km 195mm137mm603mm1895mm
195
70
13
175
55
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 603 | 574 | -29 (-4.8%) | ||
| Width, mm | 195 | 175 | -20 (-10.3%) | ||
| Circumference, mm | 1895 | 1802 | -93 (-4.9%) | ||
| Profile height, mm | 137 | 96 | -41 (-29.9%) | ||
| RPM per km | 528 | 555 | +27 (+5.1%) | ||
| Clearance change, mm | -15 | ||||
| Result: | The diameter differs by -4.8%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 95.1 |
| Difference (km/h) | -4.9 |
Sizes for comparison of tires 195/70 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 175/55 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2