Comparison of tire sizes 245/45 R17 and 245/55 R16
245/45R17
245
Tire width 
45
Profile height 
R17
Tire diameter 
488
RPM per km 245mm110mm652mm2049mm
245
45
17
245
55
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 652 | 676 | +24 (+3.7%) | ||
| Width, mm | 245 | 245 | 0 (0%) | ||
| Circumference, mm | 2049 | 2123 | +74 (+3.6%) | ||
| Profile height, mm | 110 | 135 | +25 (+22.7%) | ||
| RPM per km | 488 | 471 | -17 (-3.5%) | ||
| Clearance change, mm | +12 | ||||
| Result: | The diameter differs by 3.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.6 |
| Difference (km/h) | 3.6 |
Sizes for comparison of tires 245/45 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2
Sizes for comparison of tires 245/55 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2