Comparison of tire sizes 205/60 R13 and 175/60 R15
205/60R13
205
Tire width 
60
Profile height 
R13
Tire diameter 
552
RPM per km 205mm123mm576mm1810mm
205
60
13
175
60
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 576 | 591 | +15 (+2.6%) | ||
| Width, mm | 205 | 175 | -30 (-14.6%) | ||
| Circumference, mm | 1810 | 1857 | +47 (+2.6%) | ||
| Profile height, mm | 123 | 105 | -18 (-14.6%) | ||
| RPM per km | 552 | 539 | -13 (-2.4%) | ||
| Clearance change, mm | +8 | ||||
| Result: | The diameter differs by 2.6%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 102.6 |
| Difference (km/h) | 2.6 |
Sizes for comparison of tires 205/60 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 175/60 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2