Comparison of tire sizes 285/60 R18 and 285/75 R16
285/60R18
285
Tire width 
60
Profile height 
R18
Tire diameter 
398
RPM per km 285mm171mm799mm2511mm
285
60
18
285
75
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 799 | 834 | +35 (+4.4%) | ||
| Width, mm | 285 | 285 | 0 (0%) | ||
| Circumference, mm | 2511 | 2620 | +109 (+4.3%) | ||
| Profile height, mm | 171 | 214 | +43 (+25.1%) | ||
| RPM per km | 398 | 382 | -16 (-4%) | ||
| Clearance change, mm | +18 | ||||
| Result: | The diameter differs by 4.4%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 104.3 |
| Difference (km/h) | 4.3 |
Sizes for comparison of tires 285/60 R18
R18
R17 -1
R19 +1
R16 -2
R20 +2
Sizes for comparison of tires 285/75 R16
R16
R17 +1
R18 +2
