Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/75r16 vs 215/65r16 Tire Comparison Side By Side
  205/75-16 215/65-16 Difference
Diameter inches (mm) 28.11 (713.9) 27 (685.9) -1.1 (-28) -3.9%
Width inches (mm) 8.07 (205) 8.46 (215) 0.39 (10) 4.9%
Circum. inches (mm) 88.3 (2242.78) 84.84 (2154.82) -3.46 (-87.96) -3.9%
Sidewall Height inches (mm) 6.05 (153.75) 5.5 (139.75) -0.55 (-14) -9.1%
Revolutions per mile (km) 717.57 (445.87) 746.86 (464.08) 29.29 (18.2) 4.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.22 mph (30.92 km/h)
25 mph (40.23 km/h)24.02 mph (38.66 km/h)
30 mph (48.28 km/h)28.82 mph (46.39 km/h)
35 mph (56.33 km/h)33.63 mph (54.12 km/h)
40 mph (64.37 km/h)38.43 mph (61.85 km/h)
45 mph (72.42 km/h)43.24 mph (69.58 km/h)
50 mph (80.47 km/h)48.04 mph (77.31 km/h)
55 mph (88.51 km/h)52.84 mph (85.04 km/h)
60 mph (96.56 km/h)57.65 mph (92.77 km/h)
65 mph (104.61 km/h)62.45 mph (100.5 km/h)
70 mph (112.65 km/h)67.25 mph (108.24 km/h)
75 mph (120.7 km/h)72.06 mph (115.97 km/h)
80 mph (128.75 km/h)76.86 mph (123.7 km/h)
85 mph (136.79 km/h)81.67 mph (131.43 km/h)
90 mph (144.84 km/h)86.47 mph (139.16 km/h)
95 mph (152.89 km/h)91.27 mph (146.89 km/h)
100 mph (160.93 km/h)96.08 mph (154.62 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
19012208237824832596267727662871301731623324345336883947414942784351461849905799
Better Fuel Economy Factory Ratios Increased Power

Most Popular 205/75-R16 Comparisons

To Top