Comparison of tire sizes 195/55 R15 and 205/45 R16
195/55R15
195
Tire width 
55
Profile height 
R15
Tire diameter 
535
RPM per km 195mm107mm596mm1871mm
195
55
15
205
45
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 596 | 591 | -5 (-0.8%) | ||
| Width, mm | 195 | 205 | +10 (+5.1%) | ||
| Circumference, mm | 1871 | 1856 | -15 (-0.8%) | ||
| Profile height, mm | 107 | 92 | -15 (-14%) | ||
| RPM per km | 535 | 539 | +4 (+0.7%) | ||
| Clearance change, mm | -3 | ||||
| Result: | The diameter differs by -0.8%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 99.2 |
| Difference (km/h) | -0.8 |
Sizes for comparison of tires 195/55 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 205/45 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2