Comparison of tire sizes 175/80 R14 and 165/80 R13
175/80R14
175
Tire width 
80
Profile height 
R14
Tire diameter 
501
RPM per km 175mm140mm636mm1997mm
175
80
14
165
80
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 636 | 594 | -42 (-6.6%) | ||
| Width, mm | 175 | 165 | -10 (-5.7%) | ||
| Circumference, mm | 1997 | 1867 | -130 (-6.5%) | ||
| Profile height, mm | 140 | 132 | -8 (-5.7%) | ||
| RPM per km | 501 | 536 | +35 (+7%) | ||
| Clearance change, mm | -21 | ||||
| Result: | The diameter differs by -6.6%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 93.5 |
| Difference (km/h) | -6.5 |
Sizes for comparison of tires 175/80 R14
R14
R15 +1
R16 +2
Sizes for comparison of tires 165/80 R13
R13
R14 +1
R15 +2
