Comparison of tire sizes 195/60 R15 and 205/45 R17
195/60R15
195
Tire width 
60
Profile height 
R15
Tire diameter 
518
RPM per km 195mm117mm615mm1932mm
195
60
15
205
45
17
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 615 | 616 | +1 (+0.2%) | ||
| Width, mm | 195 | 205 | +10 (+5.1%) | ||
| Circumference, mm | 1932 | 1936 | +4 (+0.2%) | ||
| Profile height, mm | 117 | 92 | -25 (-21.4%) | ||
| RPM per km | 518 | 516 | -2 (-0.4%) | ||
| Clearance change, mm | +1 | ||||
| Result: | The diameter differs by 0.2%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 100.2 |
| Difference (km/h) | 0.2 |
Sizes for comparison of tires 195/60 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 205/45 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2