Comparison of tire sizes 295/25 R22 and 325/25 R20
295/25R22
295
Tire width 
25
Profile height 
R22
Tire diameter 
451
RPM per km 295mm74mm706mm2219mm
295
25
22
325
25
20
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 706 | 671 | -35 (-5%) | ||
| Width, mm | 295 | 325 | +30 (+10.2%) | ||
| Circumference, mm | 2219 | 2106 | -113 (-5.1%) | ||
| Profile height, mm | 74 | 81 | +7 (+9.5%) | ||
| RPM per km | 451 | 475 | +24 (+5.3%) | ||
| Clearance change, mm | -18 | ||||
| Result: | The diameter differs by -5%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 94.9 |
| Difference (km/h) | -5.1 |
Sizes for comparison of tires 295/25 R22
R22
R21 -1
R20 -2
Sizes for comparison of tires 325/25 R20
R20
R19 -1
R21 +1
R18 -2