Comparison of tire sizes 145/70 R13 and 165/60 R14
145/70R13
145
Tire width 
70
Profile height 
R13
Tire diameter 
597
RPM per km 145mm102mm533mm1675mm
145
70
13
165
60
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 533 | 554 | +21 (+3.9%) | ||
| Width, mm | 145 | 165 | +20 (+13.8%) | ||
| Circumference, mm | 1675 | 1739 | +64 (+3.8%) | ||
| Profile height, mm | 102 | 99 | -3 (-2.9%) | ||
| RPM per km | 597 | 575 | -22 (-3.7%) | ||
| Clearance change, mm | +11 | ||||
| Result: | The diameter differs by 3.9%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.8 |
| Difference (km/h) | 3.8 |
Sizes for comparison of tires 145/70 R13
R13
R12 -1
R14 +1
Sizes for comparison of tires 165/60 R14
R14
R13 -1
R15 +1
R16 +2
