Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/45r17 vs 215/35r17 Tire Comparison Side By Side
  205/45-17 215/35-17 Difference
Diameter inches (mm) 24.26 (616.3) 22.93 (582.3) -1.34 (-34) -5.5%
Width inches (mm) 8.07 (205) 8.46 (215) 0.39 (10) 4.9%
Circum. inches (mm) 76.23 (1936.16) 72.02 (1829.35) -4.21 (-106.81) -5.5%
Sidewall Height inches (mm) 3.63 (92.25) 2.96 (75.25) -0.67 (-17) -18.4%
Revolutions per mile (km) 831.2 (516.48) 879.74 (546.64) 48.53 (30.16) 5.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.9 mph (30.41 km/h)
25 mph (40.23 km/h)23.62 mph (38.01 km/h)
30 mph (48.28 km/h)28.34 mph (45.62 km/h)
35 mph (56.33 km/h)33.07 mph (53.22 km/h)
40 mph (64.37 km/h)37.79 mph (60.82 km/h)
45 mph (72.42 km/h)42.52 mph (68.43 km/h)
50 mph (80.47 km/h)47.24 mph (76.03 km/h)
55 mph (88.51 km/h)51.97 mph (83.63 km/h)
60 mph (96.56 km/h)56.69 mph (91.23 km/h)
65 mph (104.61 km/h)61.41 mph (98.84 km/h)
70 mph (112.65 km/h)66.14 mph (106.44 km/h)
75 mph (120.7 km/h)70.86 mph (114.04 km/h)
80 mph (128.75 km/h)75.59 mph (121.65 km/h)
85 mph (136.79 km/h)80.31 mph (129.25 km/h)
90 mph (144.84 km/h)85.03 mph (136.85 km/h)
95 mph (152.89 km/h)89.76 mph (144.45 km/h)
100 mph (160.93 km/h)94.48 mph (152.06 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
22392601280129253058315332583382355337253915406843444649488750405125544058786831
Better Fuel Economy Factory Ratios Increased Power

Most Popular 205/45-R17 Comparisons

To Top