Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/70r16 vs 235/65r16 Tire Comparison Side By Side
  215/70-16 235/65-16 Difference
Diameter inches (mm) 27.85 (707.4) 28.03 (711.9) 0.18 (4.5) 0.6%
Width inches (mm) 8.46 (215) 9.25 (235) 0.79 (20) 9.3%
Circum. inches (mm) 87.49 (2222.36) 88.05 (2236.5) 0.56 (14.14) 0.6%
Sidewall Height inches (mm) 5.93 (150.5) 6.01 (152.75) 0.09 (2.25) 1.5%
Revolutions per mile (km) 724.16 (449.97) 719.58 (447.13) -4.58 (-2.84) -0.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.13 mph (32.39 km/h)
25 mph (40.23 km/h)25.16 mph (40.49 km/h)
30 mph (48.28 km/h)30.19 mph (48.59 km/h)
35 mph (56.33 km/h)35.22 mph (56.69 km/h)
40 mph (64.37 km/h)40.25 mph (64.78 km/h)
45 mph (72.42 km/h)45.29 mph (72.88 km/h)
50 mph (80.47 km/h)50.32 mph (80.98 km/h)
55 mph (88.51 km/h)55.35 mph (89.08 km/h)
60 mph (96.56 km/h)60.38 mph (97.18 km/h)
65 mph (104.61 km/h)65.41 mph (105.27 km/h)
70 mph (112.65 km/h)70.45 mph (113.37 km/h)
75 mph (120.7 km/h)75.48 mph (121.47 km/h)
80 mph (128.75 km/h)80.51 mph (129.57 km/h)
85 mph (136.79 km/h)85.54 mph (137.66 km/h)
90 mph (144.84 km/h)90.57 mph (145.76 km/h)
95 mph (152.89 km/h)95.6 mph (153.86 km/h)
100 mph (160.93 km/h)100.64 mph (161.96 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
18312127229123922501257926652766290730473203332735533803399741224192444948085587
Better Fuel Economy Factory Ratios Increased Power

Most Popular 215/70-R16 Comparisons

To Top