275/60r18 vs 255/55r20 Tire Size Comparison
(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|
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See how the 275/60r18 tire size compares to the 255/55r20
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 275/60r18 and 255/55r20 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 275/60r18 and 255/55r20 tire sizes.
On top of that, given the fact that 275/60r18 is the original equipment tire size, you may also emulate the difference between your actual speed and speedometer readings after installing the 255/55r20 tires. Chances are high that you will want to calibrate your speedometer!