Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/55r16 vs 205/55r16 Tire Comparison Side By Side
  215/55-16 205/55-16 Difference
Diameter inches (mm) 25.31 (642.9) 24.88 (631.9) -0.43 (-11) -1.7%
Width inches (mm) 8.46 (215) 8.07 (205) -0.39 (-10) -4.7%
Circum. inches (mm) 79.52 (2019.73) 78.16 (1985.17) -1.36 (-34.56) -1.7%
Sidewall Height inches (mm) 4.66 (118.25) 4.44 (112.75) -0.22 (-5.5) -4.7%
Revolutions per mile (km) 796.81 (495.11) 810.68 (503.73) 13.87 (8.62) 1.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.66 mph (31.64 km/h)
25 mph (40.23 km/h)24.57 mph (39.55 km/h)
30 mph (48.28 km/h)29.49 mph (47.45 km/h)
35 mph (56.33 km/h)34.4 mph (55.36 km/h)
40 mph (64.37 km/h)39.32 mph (63.27 km/h)
45 mph (72.42 km/h)44.23 mph (71.18 km/h)
50 mph (80.47 km/h)49.14 mph (79.09 km/h)
55 mph (88.51 km/h)54.06 mph (87 km/h)
60 mph (96.56 km/h)58.97 mph (94.91 km/h)
65 mph (104.61 km/h)63.89 mph (102.82 km/h)
70 mph (112.65 km/h)68.8 mph (110.73 km/h)
75 mph (120.7 km/h)73.72 mph (118.64 km/h)
80 mph (128.75 km/h)78.63 mph (126.54 km/h)
85 mph (136.79 km/h)83.55 mph (134.45 km/h)
90 mph (144.84 km/h)88.46 mph (142.36 km/h)
95 mph (152.89 km/h)93.37 mph (150.27 km/h)
100 mph (160.93 km/h)98.29 mph (158.18 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
20632397258126952818290630023116327534333608374940034284450446444723501354176294
Better Fuel Economy Factory Ratios Increased Power

Most Popular 215/55-R16 Comparisons

To Top