Comparison of tire sizes 165/65 R13 and 185/60 R13
165/65R13
165
Tire width 
65
Profile height 
R13
Tire diameter 
584
RPM per km 165mm107mm545mm1711mm
165
65
13
185
60
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 545 | 552 | +7 (+1.3%) | ||
| Width, mm | 165 | 185 | +20 (+12.1%) | ||
| Circumference, mm | 1711 | 1735 | +24 (+1.4%) | ||
| Profile height, mm | 107 | 111 | +4 (+3.7%) | ||
| RPM per km | 584 | 576 | -8 (-1.4%) | ||
| Clearance change, mm | +4 | ||||
| Result: | The diameter differs by 1.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 101.4 |
| Difference (km/h) | 1.4 |
Sizes for comparison of tires 165/65 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 185/60 R13
R13
R14 +1
R15 +2