Comparison of tire sizes 205/45 R17 and 215/40 R17
205/45R17
205
Tire width 
45
Profile height 
R17
Tire diameter 
516
RPM per km 205mm92mm616mm1936mm
205
45
17
215
40
17
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 616 | 604 | -12 (-1.9%) | ||
| Width, mm | 205 | 215 | +10 (+4.9%) | ||
| Circumference, mm | 1936 | 1897 | -39 (-2%) | ||
| Profile height, mm | 92 | 86 | -6 (-6.5%) | ||
| RPM per km | 516 | 527 | +11 (+2.1%) | ||
| Clearance change, mm | -6 | ||||
| Result: | The diameter differs by -1.9%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 98 |
| Difference (km/h) | -2 |
Sizes for comparison of tires 205/45 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2
Sizes for comparison of tires 215/40 R17
R17
R16 -1
R18 +1
R15 -2
