Tire Size Comparison Visualizer
1984
16"
113
504 Revs/km
2316
18"
140
432 Revs/km
205
632
255
738
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Speedometer Error
(Set Size1 to OEM Size)
(Set Size1 to OEM Size)
| Speed | 10 km/h | 30 km/h | 50 km/h | 70 km/h | 90 km/h | 110 km/h | 130 km/h | 150 km/h |
|---|---|---|---|---|---|---|---|---|
| Actual | 11.7 | 35.1 | 58.5 | 81.9 | 105.3 | 128.7 | 152.1 | 175.5 |
| Speed Diff | 1.7 | 5.1 | 8.5 | 11.9 | 15.3 | 18.7 | 22.1 | 25.5 |
Ground Clearance Increased by 53
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See how the 205/55r16 tire size compares to the 255/55r18
Making a decision before buying the right tire size? Or maybe you want new aftermarket tires?
The comparison charts above represent detailed calculations of the difference in size between 205/55r16 and 255/55r18 tires.
The resulting calculations of tire diameter and width, sidewall height, circumference and rim diameter are provided in the form of comparison table and visual graphics to better convey the difference between 205/55r16 and 255/55r18 tire sizes.
On top of that, given the fact that 205/55r16 is the original equipment tire size, you may also emulate the difference between your actual speed and speedometer readings after installing the 255/55r18 tires. Chances are high that you will want to calibrate your speedometer!
