Comparison of tire sizes 185/80 R14 and 205/70 R14
185/80R14
185
Tire width 
80
Profile height 
R14
Tire diameter 
489
RPM per km 185mm148mm652mm2047mm
185
80
14
205
70
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 652 | 643 | -9 (-1.4%) | ||
| Width, mm | 185 | 205 | +20 (+10.8%) | ||
| Circumference, mm | 2047 | 2019 | -28 (-1.4%) | ||
| Profile height, mm | 148 | 144 | -4 (-2.7%) | ||
| RPM per km | 489 | 495 | +6 (+1.2%) | ||
| Clearance change, mm | -5 | ||||
| Result: | The diameter differs by -1.4%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 98.6 |
| Difference (km/h) | -1.4 |
Sizes for comparison of tires 185/80 R14
R14
R15 +1
R16 +2
Sizes for comparison of tires 205/70 R14
R14
R15 +1
R16 +2
