Comparison of tire sizes 205/55 R16 and 225/45 R16
205/55R16
205
Tire width 
55
Profile height 
R16
Tire diameter 
504
RPM per km 205mm113mm632mm1985mm
205
55
16
225
45
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 632 | 609 | -23 (-3.6%) | ||
| Width, mm | 205 | 225 | +20 (+9.8%) | ||
| Circumference, mm | 1985 | 1913 | -72 (-3.6%) | ||
| Profile height, mm | 113 | 101 | -12 (-10.6%) | ||
| RPM per km | 504 | 523 | +19 (+3.8%) | ||
| Clearance change, mm | -12 | ||||
| Result: | The diameter differs by -3.6%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 96.4 |
| Difference (km/h) | -3.6 |
Sizes for comparison of tires 205/55 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2
Sizes for comparison of tires 225/45 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2