Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/65r17 vs 245/75r16 Tire Comparison Side By Side
  265/65-17 245/75-16 Difference
Diameter inches (mm) 30.56 (776.3) 30.47 (773.9) -0.09 (-2.4) -0.3%
Width inches (mm) 10.43 (265) 9.65 (245) -0.79 (-20) -7.5%
Circum. inches (mm) 96.02 (2438.82) 95.72 (2431.28) -0.3 (-7.54) -0.3%
Sidewall Height inches (mm) 6.78 (172.25) 7.23 (183.75) 0.45 (11.5) 6.7%
Revolutions per mile (km) 659.89 (410.03) 661.93 (411.31) 2.05 (1.27) 0.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.94 mph (32.09 km/h)
25 mph (40.23 km/h)24.92 mph (40.11 km/h)
30 mph (48.28 km/h)29.91 mph (48.13 km/h)
35 mph (56.33 km/h)34.89 mph (56.15 km/h)
40 mph (64.37 km/h)39.88 mph (64.17 km/h)
45 mph (72.42 km/h)44.86 mph (72.2 km/h)
50 mph (80.47 km/h)49.85 mph (80.22 km/h)
55 mph (88.51 km/h)54.83 mph (88.24 km/h)
60 mph (96.56 km/h)59.81 mph (96.26 km/h)
65 mph (104.61 km/h)64.8 mph (104.28 km/h)
70 mph (112.65 km/h)69.78 mph (112.31 km/h)
75 mph (120.7 km/h)74.77 mph (120.33 km/h)
80 mph (128.75 km/h)79.75 mph (128.35 km/h)
85 mph (136.79 km/h)84.74 mph (136.37 km/h)
90 mph (144.84 km/h)89.72 mph (144.39 km/h)
95 mph (152.89 km/h)94.71 mph (152.42 km/h)
100 mph (160.93 km/h)99.69 mph (160.44 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
16841957210722012301237324512545267428032946306132693498367737923856409344235139
Better Fuel Economy Factory Ratios Increased Power

Most Popular 265/65-R17 Comparisons

To Top