245/50r17 vs 245/50r18 Tire Size Comparison


Tire Size Comparison Visualizer
Tire 1 Side View
Tire 1 Wheel
2125
17"
123
471 Revs/km
Tire 2 Side View
Tire 2 Wheel
2205
18"
123
454 Revs/km
Tire 1 Front View
245
677
Tire 2 Front View
245
702
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Speedometer Error
(Set Size1 to OEM Size)

Speed 10 km/h30 km/h50 km/h70 km/h90 km/h110 km/h130 km/h150 km/h
Actual 10.431.252.072.893.6114.4135.2156.0
Speed Diff0.41.22.02.83.64.45.26.0

Ground Clearance Increased by 12.5

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See how the 245/50r17 tire size compares to the 245/50r18

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 245/50r17 and 245/50r18 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 245/50r17 and 245/50r18 tire sizes.

On top of that, given the fact that 245/50r17 is the original equipment tire size, you may also emulate the difference between your actual speed and speedometer readings after installing the 245/50r18 tires. Chances are high that you will want to calibrate your speedometer!

Other sizes often compared:

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