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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
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155/65r13 vs 155/55r13 Tire Comparison Side By Side
  155/65-13 155/55-13 Difference
Diameter inches (mm) 20.93 (531.7) 19.71 (500.7) -1.22 (-31) -5.8%
Width inches (mm) 6.1 (155) 6.1 (155) 0 (0) 0%
Circum. inches (mm) 65.76 (1670.38) 61.93 (1573) -3.83 (-97.39) -5.8%
Sidewall Height inches (mm) 3.97 (100.75) 3.36 (85.25) -0.61 (-15.5) -15.4%
Revolutions per mile (km) 963.46 (598.66) 1023.11 (635.73) 59.65 (37.07) 6.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.83 mph (30.31 km/h)
25 mph (40.23 km/h)23.54 mph (37.89 km/h)
30 mph (48.28 km/h)28.25 mph (45.47 km/h)
35 mph (56.33 km/h)32.96 mph (53.04 km/h)
40 mph (64.37 km/h)37.67 mph (60.62 km/h)
45 mph (72.42 km/h)42.38 mph (68.2 km/h)
50 mph (80.47 km/h)47.08 mph (75.78 km/h)
55 mph (88.51 km/h)51.79 mph (83.35 km/h)
60 mph (96.56 km/h)56.5 mph (90.93 km/h)
65 mph (104.61 km/h)61.21 mph (98.51 km/h)
70 mph (112.65 km/h)65.92 mph (106.09 km/h)
75 mph (120.7 km/h)70.63 mph (113.66 km/h)
80 mph (128.75 km/h)75.34 mph (121.24 km/h)
85 mph (136.79 km/h)80.04 mph (128.82 km/h)
90 mph (144.84 km/h)84.75 mph (136.4 km/h)
95 mph (152.89 km/h)89.46 mph (143.97 km/h)
100 mph (160.93 km/h)94.17 mph (151.55 km/h)

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
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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