Comparison of tire sizes 195/80 R14 and 215/60 R15
195/80R14
195
Tire width 
80
Profile height 
R14
Tire diameter 
477
RPM per km 195mm156mm668mm2097mm
195
80
14
215
60
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 668 | 639 | -29 (-4.3%) | ||
| Width, mm | 195 | 215 | +20 (+10.3%) | ||
| Circumference, mm | 2097 | 2007 | -90 (-4.3%) | ||
| Profile height, mm | 156 | 129 | -27 (-17.3%) | ||
| RPM per km | 477 | 498 | +21 (+4.4%) | ||
| Clearance change, mm | -15 | ||||
| Result: | The diameter differs by -4.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 95.7 |
| Difference (km/h) | -4.3 |
Sizes for comparison of tires 195/80 R14
R14
R15 +1
R16 +2
Sizes for comparison of tires 215/60 R15
R15
R14 -1
R16 +1
R17 +2