Comparison of tire sizes 135/80 R13 and 175/65 R13
135/80R13
135
Tire width 
80
Profile height 
R13
Tire diameter 
583
RPM per km 135mm108mm546mm1716mm
135
80
13
175
65
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 546 | 558 | +12 (+2.2%) | ||
| Width, mm | 135 | 175 | +40 (+29.6%) | ||
| Circumference, mm | 1716 | 1752 | +36 (+2.1%) | ||
| Profile height, mm | 108 | 114 | +6 (+5.6%) | ||
| RPM per km | 583 | 571 | -12 (-2.1%) | ||
| Clearance change, mm | +6 | ||||
| Result: | The diameter differs by 2.2%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 102.1 |
| Difference (km/h) | 2.1 |
Sizes for comparison of tires 135/80 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 175/65 R13
R13
R14 +1
R15 +2