Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/80r16 vs 215/70r16 Tire Comparison Side By Side
  205/80-16 215/70-16 Difference
Diameter inches (mm) 28.91 (734.4) 27.85 (707.4) -1.06 (-27) -3.7%
Width inches (mm) 8.07 (205) 8.46 (215) 0.39 (10) 4.9%
Circum. inches (mm) 90.83 (2307.19) 87.49 (2222.36) -3.34 (-84.82) -3.7%
Sidewall Height inches (mm) 6.46 (164) 5.93 (150.5) -0.53 (-13.5) -8.2%
Revolutions per mile (km) 697.54 (433.43) 724.16 (449.97) 26.62 (16.54) 3.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.26 mph (31 km/h)
25 mph (40.23 km/h)24.08 mph (38.75 km/h)
30 mph (48.28 km/h)28.9 mph (46.51 km/h)
35 mph (56.33 km/h)33.71 mph (54.26 km/h)
40 mph (64.37 km/h)38.53 mph (62.01 km/h)
45 mph (72.42 km/h)43.35 mph (69.76 km/h)
50 mph (80.47 km/h)48.16 mph (77.51 km/h)
55 mph (88.51 km/h)52.98 mph (85.26 km/h)
60 mph (96.56 km/h)57.79 mph (93.01 km/h)
65 mph (104.61 km/h)62.61 mph (100.76 km/h)
70 mph (112.65 km/h)67.43 mph (108.51 km/h)
75 mph (120.7 km/h)72.24 mph (116.26 km/h)
80 mph (128.75 km/h)77.06 mph (124.01 km/h)
85 mph (136.79 km/h)81.88 mph (131.77 km/h)
90 mph (144.84 km/h)86.69 mph (139.52 km/h)
95 mph (152.89 km/h)91.51 mph (147.27 km/h)
100 mph (160.93 km/h)96.32 mph (155.02 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
18432141230624072517259626822784292530663223334835763827402341484219447848385623
Better Fuel Economy Factory Ratios Increased Power

Most Popular 205/80-R16 Comparisons

To Top