Comparison of tire sizes 245/55 R16 and 215/65 R15
245/55R16
245
Tire width 
55
Profile height 
R16
Tire diameter 
471
RPM per km 245mm135mm676mm2123mm
245
55
16
215
65
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 676 | 661 | -15 (-2.2%) | ||
| Width, mm | 245 | 215 | -30 (-12.2%) | ||
| Circumference, mm | 2123 | 2075 | -48 (-2.3%) | ||
| Profile height, mm | 135 | 140 | +5 (+3.7%) | ||
| RPM per km | 471 | 482 | +11 (+2.3%) | ||
| Clearance change, mm | -8 | ||||
| Result: | The diameter differs by -2.2%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 97.7 |
| Difference (km/h) | -2.3 |
Sizes for comparison of tires 245/55 R16
R16
R15 -1
R17 +1
R14 -2
R18 +2
Sizes for comparison of tires 215/65 R15
R15
R14 -1
R16 +1
R17 +2