Comparison of tire sizes 155/65 R13 and 155/70 R13
155/65R13
155
Tire width 
65
Profile height 
R13
Tire diameter 
599
RPM per km 155mm101mm532mm1670mm
155
65
13
155
70
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 532 | 547 | +15 (+2.8%) | ||
| Width, mm | 155 | 155 | 0 (0%) | ||
| Circumference, mm | 1670 | 1719 | +49 (+2.9%) | ||
| Profile height, mm | 101 | 109 | +8 (+7.9%) | ||
| RPM per km | 599 | 582 | -17 (-2.8%) | ||
| Clearance change, mm | +8 | ||||
| Result: | The diameter differs by 2.8%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 102.9 |
| Difference (km/h) | 2.9 |
Sizes for comparison of tires 155/65 R13
R13
R12 -1
R14 +1
Sizes for comparison of tires 155/70 R13
R13
R14 +1
R15 +2