Mike "Wuzzy121". Rest in peace, brother

Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
140/85r16 vs 150/75r16 Tire Comparison Side By Side
  140/85-16 150/75-16 Difference
Diameter inches (mm) 25.37 (644.4) 24.86 (631.4) -0.51 (-13) -2%
Width inches (mm) 5.51 (140) 5.91 (150) 0.39 (10) 7.1%
Circum. inches (mm) 79.7 (2024.44) 78.09 (1983.6) -1.61 (-40.84) -2%
Sidewall Height inches (mm) 4.69 (119) 4.43 (112.5) -0.26 (-6.5) -5.5%
Revolutions per mile (km) 794.96 (493.96) 811.32 (504.13) 16.37 (10.17) 2.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.6 mph (31.54 km/h)
25 mph (40.23 km/h)24.5 mph (39.42 km/h)
30 mph (48.28 km/h)29.39 mph (47.31 km/h)
35 mph (56.33 km/h)34.29 mph (55.19 km/h)
40 mph (64.37 km/h)39.19 mph (63.08 km/h)
45 mph (72.42 km/h)44.09 mph (70.96 km/h)
50 mph (80.47 km/h)48.99 mph (78.84 km/h)
55 mph (88.51 km/h)53.89 mph (86.73 km/h)
60 mph (96.56 km/h)58.79 mph (94.61 km/h)
65 mph (104.61 km/h)63.69 mph (102.5 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
20652399258326972820290830053119327734353611375240064287450746484727501754216299
Better Fuel Economy Factory Ratios Increased Power

Most Popular 140/85-R16 Comparisons


Copyright © 2014 Tacoma Forum. Tacoma World is not owned by, or affiliated with Toyota Motor Corporation.