225/50-R16 tires are 0.45 inches (11.5 mm) smaller in diameter than 215/55-R16 tires and the speedometer difference is 1.8%.

205/55r16 vs 205/50r16. The table compares the features of tire sizes 205/50r16 and 205/55r16, along with the percentage difference between them. Fitment Guide. Replacement tires should be within a 3% difference in overall diameter. The 205/55r16 is 3.2% larger in diameter than the 205/50r16, so fitting the 50 aspect ratio tire requires staying
215/50-R17 tires are 0.59 inches (14.9 mm) larger in diameter than 205/55-R16 tires and the speedometer difference is 2.3%.
BETA. -0.23% too slow. -0.23% too slow. 205-60R16, 225-55R16 tire size comparison with 1010tires.com Tire Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, sidewall height, circumference, revs per mile and speedometer difference.
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 215/60r15 tire sizes. On top of that, given the fact that 205/55r16 is the original equipment tire size, you may also
205/55-R16 tires are 1.43 inches (36.4 mm) smaller in diameter than 215/55-R17 tires and the speedometer difference is 5.5%.
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difference between 205 55r16 and 215 55r16