Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/40r16 vs 165/45r16 Tire Comparison Side By Side
  195/40-16 165/45-16 Difference
Diameter inches (mm) 22.14 (562.4) 21.85 (554.9) -0.3 (-7.5) -1.3%
Width inches (mm) 7.68 (195) 6.5 (165) -1.18 (-30) -15.4%
Circum. inches (mm) 69.56 (1766.83) 68.63 (1743.27) -0.93 (-23.56) -1.3%
Sidewall Height inches (mm) 3.07 (78) 2.92 (74.25) -0.15 (-3.75) -4.8%
Revolutions per mile (km) 910.86 (565.98) 923.18 (573.63) 12.31 (7.65) 1.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.73 mph (31.76 km/h)
25 mph (40.23 km/h)24.67 mph (39.7 km/h)
30 mph (48.28 km/h)29.6 mph (47.64 km/h)
35 mph (56.33 km/h)34.53 mph (55.58 km/h)
40 mph (64.37 km/h)39.47 mph (63.52 km/h)
45 mph (72.42 km/h)44.4 mph (71.45 km/h)
50 mph (80.47 km/h)49.33 mph (79.39 km/h)
55 mph (88.51 km/h)54.27 mph (87.33 km/h)
60 mph (96.56 km/h)59.2 mph (95.27 km/h)
65 mph (104.61 km/h)64.13 mph (103.21 km/h)
70 mph (112.65 km/h)69.07 mph (111.15 km/h)
75 mph (120.7 km/h)74 mph (119.09 km/h)
80 mph (128.75 km/h)78.93 mph (127.03 km/h)
85 mph (136.79 km/h)83.87 mph (134.97 km/h)
90 mph (144.84 km/h)88.8 mph (142.91 km/h)
95 mph (152.89 km/h)93.73 mph (150.85 km/h)
100 mph (160.93 km/h)98.67 mph (158.79 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
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Better Fuel Economy Factory Ratios Increased Power

Most Popular 195/40-R16 Comparisons

To Top