Comparison of tire sizes 185/60 R13 and 185/65 R13
185/60R13
185
Tire width 
60
Profile height 
R13
Tire diameter 
576
RPM per km 185mm111mm552mm1735mm
185
60
13
185
65
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 552 | 571 | +19 (+3.4%) | ||
| Width, mm | 185 | 185 | 0 (0%) | ||
| Circumference, mm | 1735 | 1793 | +58 (+3.3%) | ||
| Profile height, mm | 111 | 120 | +9 (+8.1%) | ||
| RPM per km | 576 | 558 | -18 (-3.1%) | ||
| Clearance change, mm | +10 | ||||
| Result: | The diameter differs by 3.4%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.3 |
| Difference (km/h) | 3.3 |
Sizes for comparison of tires 185/60 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 185/65 R13
R13
R14 +1
R15 +2
