9/28/13 215/50-R17 vs 215/55-R17 Tire Comparison - Tire Size Calculator

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Michelin Primacy MXV4

215/55-R17

$143 each

Kumho Solus KH16

215/55-R17

$100 each

Understanding metric sizes

Current Tire Size:

New Tire Size:

Your Calcs (x):

215 / 50 R 17

215 / 55 R 17

215 / 50-17 - 215 / 55-17

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Most Popular 215/50-R17 Comparisons

vs 225/45-17 vs 225/50-17 vs 215/55-17 vs 205/50-17 vs 235/45-17 vs 205/55-16 vs 205/60-16 vs 215/45-17

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215/50-17 215/55-17 Difference

Diameter inches (mm) 25.46 (646.8) 26.31 (668.3) 0.85 (21.5) 3.3%

Width inches (mm) 8.46 (215) 8.46 (215) 0 (0) 0%

Circum. inches (mm) 80 (2031.98) 82.66 (2099.53) 2.66 (67.54) 3.3%

Sidewall Height inches (mm) 4.23 (107.5) 4.66 (118.25) 0.42 (10.75) 10%

Revolutions per mile (km) 792.01 (492.13) 766.53 (476.3) -25.48 (-15.83) -3.2%

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Speedometer Difference

Speedo Reading Actual Speed

20 mph (32.19 km/h) 20.66 mph (33.26 km/h)

25 mph (40.23 km/h) 25.83 mph (41.57 km/h)

30 mph (48.28 km/h) 31 mph (49.89 km/h)

35 mph (56.33 km/h) 36.16 mph (58.2 km/h)

40 mph (64.37 km/h) 41.33 mph (66.51 km/h)

45 mph (72.42 km/h) 46.5 mph (74.83 km/h)

50 mph (80.47 km/h) 51.66 mph (83.14 km/h)

55 mph (88.51 km/h) 56.83 mph (91.46 km/h)

60 mph (96.56 km/h) 61.99 mph (99.77 km/h)

65 mph (104.61 km/h) 67.16 mph (108.08 km/h)

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Gear Ratio / RPMs for New Tire (@ 65 mph)

2.35 2.73 2.94 3.07 3.21 3.31 3.42 3.55 3.73 3.91 4.11 4.27 4.56 4.88 5.13 5.29 5.38 5.71 6.17 7.17

1951 2266 2440 2548 2665 2748 2839 2947 3096 3246 3412 3544 3785 4051 4258 4391 4466 4740 5122 5952

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