(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|
<iframe name = "TireComparison Calculator" id="tirecalc" width=100% height=100% style="border:none;" src="https://tiresdoc.com/tire-size-calculator/?&frame=1">
See how the 305/50r17 tire size compares to the 285/40r17
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 305/50r17 and 285/40r17 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 305/50r17 and 285/40r17 tire sizes.
On top of that, given the fact that 305/50r17 is the original equipment tire size, you may also emulate the difference between your actual speed and speedometer readings after installing the 285/40r17 tires. Chances are high that you will want to calibrate your speedometer!