Comparison of tire sizes 155/65 R14 and 165/70 R14
155/65R14
155
Tire width 
65
Profile height 
R14
Tire diameter 
571
RPM per km 155mm101mm557mm1750mm
155
65
14
165
70
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 557 | 587 | +30 (+5.4%) | ||
| Width, mm | 155 | 165 | +10 (+6.5%) | ||
| Circumference, mm | 1750 | 1843 | +93 (+5.3%) | ||
| Profile height, mm | 101 | 115 | +14 (+13.9%) | ||
| RPM per km | 571 | 543 | -28 (-4.9%) | ||
| Clearance change, mm | +15 | ||||
| Result: | The diameter differs by 5.4%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 105.3 |
| Difference (km/h) | 5.3 |
Sizes for comparison of tires 155/65 R14
R14
R13 -1
R15 +1
R16 +2
Sizes for comparison of tires 165/70 R14
R14
R13 -1
R15 +1
R16 +2