Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
165/70r10 vs 130/90r10 Tire Comparison Side By Side
  165/70-10 130/90-10 Difference
Diameter inches (mm) 19.09 (485) 19.21 (488) 0.12 (3) 0.6%
Width inches (mm) 6.5 (165) 5.12 (130) -1.38 (-35) -21.2%
Circum. inches (mm) 59.99 (1523.67) 60.36 (1533.1) 0.37 (9.42) 0.6%
Sidewall Height inches (mm) 4.55 (115.5) 4.61 (117) 0.06 (1.5) 1.3%
Revolutions per mile (km) 1056.23 (656.31) 1049.73 (652.27) -6.49 (-4.03) -0.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.12 mph (32.39 km/h)
25 mph (40.23 km/h)25.15 mph (40.48 km/h)
30 mph (48.28 km/h)30.19 mph (48.58 km/h)
35 mph (56.33 km/h)35.22 mph (56.68 km/h)
40 mph (64.37 km/h)40.25 mph (64.77 km/h)
45 mph (72.42 km/h)45.28 mph (72.87 km/h)
50 mph (80.47 km/h)50.31 mph (80.97 km/h)
55 mph (88.51 km/h)55.34 mph (89.06 km/h)
60 mph (96.56 km/h)60.37 mph (97.16 km/h)
65 mph (104.61 km/h)65.4 mph (105.25 km/h)
70 mph (112.65 km/h)70.43 mph (113.35 km/h)
75 mph (120.7 km/h)75.46 mph (121.45 km/h)
80 mph (128.75 km/h)80.49 mph (129.54 km/h)
85 mph (136.79 km/h)85.53 mph (137.64 km/h)
90 mph (144.84 km/h)90.56 mph (145.74 km/h)
95 mph (152.89 km/h)95.59 mph (153.83 km/h)
100 mph (160.93 km/h)100.62 mph (161.93 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 165/70-R10 Comparisons

To Top