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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
31/10.5r15 vs 265/70r15 Tire Comparison Side By Side
  31/10.5-15 265/70-15 Difference
Diameter inches (mm) 30.98 (786.84) 29.61 (752) -1.37 (-34.84) -4.4%
Width inches (mm) 10.51 (267) 10.43 (265) -0.08 (-2) -0.7%
Circum. inches (mm) 97.32 (2471.93) 93.01 (2362.48) -4.31 (-109.45) -4.4%
Sidewall Height inches (mm) 7.99 (202.92) 7.3 (185.5) -0.69 (-17.42) -8.6%
Revolutions per mile (km) 651.05 (404.54) 681.21 (423.28) 30.16 (18.74) 4.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.11 mph (30.76 km/h)
25 mph (40.23 km/h)23.89 mph (38.45 km/h)
30 mph (48.28 km/h)28.67 mph (46.14 km/h)
35 mph (56.33 km/h)33.45 mph (53.83 km/h)
40 mph (64.37 km/h)38.23 mph (61.52 km/h)
45 mph (72.42 km/h)43.01 mph (69.21 km/h)
50 mph (80.47 km/h)47.79 mph (76.9 km/h)
55 mph (88.51 km/h)52.56 mph (84.59 km/h)
60 mph (96.56 km/h)57.34 mph (92.29 km/h)
65 mph (104.61 km/h)62.12 mph (99.98 km/h)
70 mph (112.65 km/h)66.9 mph (107.67 km/h)
75 mph (120.7 km/h)71.68 mph (115.36 km/h)
80 mph (128.75 km/h)76.46 mph (123.05 km/h)
85 mph (136.79 km/h)81.24 mph (130.74 km/h)
90 mph (144.84 km/h)86.01 mph (138.43 km/h)
95 mph (152.89 km/h)90.79 mph (146.12 km/h)
100 mph (160.93 km/h)95.57 mph (153.81 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
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