Comparison of tire sizes 155/70 R13 and 155/65 R13
155/70R13
155
Tire width 
70
Profile height 
R13
Tire diameter 
582
RPM per km 155mm109mm547mm1719mm
155
70
13
155
65
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 547 | 532 | -15 (-2.7%) | ||
| Width, mm | 155 | 155 | 0 (0%) | ||
| Circumference, mm | 1719 | 1670 | -49 (-2.9%) | ||
| Profile height, mm | 109 | 101 | -8 (-7.3%) | ||
| RPM per km | 582 | 599 | +17 (+2.9%) | ||
| Clearance change, mm | -8 | ||||
| Result: | The diameter differs by -2.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 97.1 |
| Difference (km/h) | -2.9 |
Sizes for comparison of tires 155/70 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 155/65 R13
R13
R12 -1
R14 +1
