Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
135/70r16 vs 135/90r17 Tire Comparison Side By Side
  135/70-16 135/90-17 Difference
Diameter inches (mm) 23.44 (595.4) 26.57 (674.8) 3.13 (79.4) 13.3%
Width inches (mm) 5.31 (135) 5.31 (135) 0 (0) 0%
Circum. inches (mm) 73.64 (1870.5) 83.46 (2119.95) 9.82 (249.44) 13.3%
Sidewall Height inches (mm) 3.72 (94.5) 4.78 (121.5) 1.06 (27) 28.6%
Revolutions per mile (km) 860.38 (534.61) 759.14 (471.71) -101.24 (-62.91) -11.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.67 mph (36.48 km/h)
25 mph (40.23 km/h)28.33 mph (45.6 km/h)
30 mph (48.28 km/h)34 mph (54.72 km/h)
35 mph (56.33 km/h)39.67 mph (63.84 km/h)
40 mph (64.37 km/h)45.33 mph (72.96 km/h)
45 mph (72.42 km/h)51 mph (82.08 km/h)
50 mph (80.47 km/h)56.67 mph (91.2 km/h)
55 mph (88.51 km/h)62.33 mph (100.32 km/h)
60 mph (96.56 km/h)68 mph (109.44 km/h)
65 mph (104.61 km/h)73.67 mph (118.56 km/h)
70 mph (112.65 km/h)79.33 mph (127.68 km/h)
75 mph (120.7 km/h)85 mph (136.8 km/h)
80 mph (128.75 km/h)90.67 mph (145.92 km/h)
85 mph (136.79 km/h)96.34 mph (155.04 km/h)
90 mph (144.84 km/h)102 mph (164.16 km/h)
95 mph (152.89 km/h)107.67 mph (173.28 km/h)
100 mph (160.93 km/h)113.34 mph (182.4 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
19322244241725242639272128112918306632143379351037494012421743494423469450725894
Better Fuel Economy Factory Ratios Increased Power

Most Popular 135/70-R16 Comparisons

To Top