Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/70r16 vs 285/70r17 Tire Comparison Side By Side
  265/70-16 285/70-17 Difference
Diameter inches (mm) 30.61 (777.4) 32.71 (830.8) 2.1 (53.4) 6.9%
Width inches (mm) 10.43 (265) 11.22 (285) 0.79 (20) 7.5%
Circum. inches (mm) 96.15 (2442.27) 102.76 (2610.04) 6.6 (167.76) 6.9%
Sidewall Height inches (mm) 7.3 (185.5) 7.85 (199.5) 0.55 (14) 7.5%
Revolutions per mile (km) 658.95 (409.45) 616.6 (383.14) -42.35 (-26.32) -6.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.37 mph (34.4 km/h)
25 mph (40.23 km/h)26.72 mph (43 km/h)
30 mph (48.28 km/h)32.06 mph (51.6 km/h)
35 mph (56.33 km/h)37.4 mph (60.2 km/h)
40 mph (64.37 km/h)42.75 mph (68.8 km/h)
45 mph (72.42 km/h)48.09 mph (77.4 km/h)
50 mph (80.47 km/h)53.43 mph (85.99 km/h)
55 mph (88.51 km/h)58.78 mph (94.59 km/h)
60 mph (96.56 km/h)64.12 mph (103.19 km/h)
65 mph (104.61 km/h)69.46 mph (111.79 km/h)
70 mph (112.65 km/h)74.81 mph (120.39 km/h)
75 mph (120.7 km/h)80.15 mph (128.99 km/h)
80 mph (128.75 km/h)85.5 mph (137.59 km/h)
85 mph (136.79 km/h)90.84 mph (146.19 km/h)
90 mph (144.84 km/h)96.18 mph (154.79 km/h)
95 mph (152.89 km/h)101.53 mph (163.39 km/h)
100 mph (160.93 km/h)106.87 mph (171.99 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
15691823196320502143221022842370249126112744285130453258342535323592381341204788
Better Fuel Economy Factory Ratios Increased Power

Most Popular 265/70-R16 Comparisons

To Top