Comparison of tire sizes 295/70 R17 and 285/70 R17
295/70R17
295
Tire width 
70
Profile height 
R17
Tire diameter 
377
RPM per km 295mm207mm845mm2654mm
295
70
17
285
70
17
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 845 | 831 | -14 (-1.7%) | ||
| Width, mm | 295 | 285 | -10 (-3.4%) | ||
| Circumference, mm | 2654 | 2610 | -44 (-1.7%) | ||
| Profile height, mm | 207 | 200 | -7 (-3.4%) | ||
| RPM per km | 377 | 383 | +6 (+1.6%) | ||
| Clearance change, mm | -7 | ||||
| Result: | The diameter differs by -1.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 98.3 |
| Difference (km/h) | -1.7 |
Sizes for comparison of tires 295/70 R17
R17
R16 -1
R18 +1
Sizes for comparison of tires 285/70 R17
R17
R16 -1
R18 +1