Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
255/65r16 vs 265/70r16 Tire Comparison Side By Side
  255/65-16 265/70-16 Difference
Diameter inches (mm) 29.05 (737.9) 30.61 (777.4) 1.56 (39.5) 5.4%
Width inches (mm) 10.04 (255) 10.43 (265) 0.39 (10) 3.9%
Circum. inches (mm) 91.27 (2318.18) 96.15 (2442.27) 4.89 (124.09) 5.4%
Sidewall Height inches (mm) 6.53 (165.75) 7.3 (185.5) 0.78 (19.75) 11.9%
Revolutions per mile (km) 694.23 (431.37) 658.95 (409.45) -35.27 (-21.92) -5.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.07 mph (33.91 km/h)
25 mph (40.23 km/h)26.34 mph (42.39 km/h)
30 mph (48.28 km/h)31.61 mph (50.86 km/h)
35 mph (56.33 km/h)36.87 mph (59.34 km/h)
40 mph (64.37 km/h)42.14 mph (67.82 km/h)
45 mph (72.42 km/h)47.41 mph (76.3 km/h)
50 mph (80.47 km/h)52.68 mph (84.77 km/h)
55 mph (88.51 km/h)57.94 mph (93.25 km/h)
60 mph (96.56 km/h)63.21 mph (101.73 km/h)
65 mph (104.61 km/h)68.48 mph (110.21 km/h)
70 mph (112.65 km/h)73.75 mph (118.68 km/h)
75 mph (120.7 km/h)79.01 mph (127.16 km/h)
80 mph (128.75 km/h)84.28 mph (135.64 km/h)
85 mph (136.79 km/h)89.55 mph (144.12 km/h)
90 mph (144.84 km/h)94.82 mph (152.59 km/h)
95 mph (152.89 km/h)100.09 mph (161.07 km/h)
100 mph (160.93 km/h)105.35 mph (169.55 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
16771948209821912291236224402533266227902933304732543482366137753839407544035116
Better Fuel Economy Factory Ratios Increased Power

Most Popular 255/65-R16 Comparisons

To Top