Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/35r17 vs 205/30r17 Tire Comparison Side By Side
  215/35-17 205/30-17 Difference
Diameter inches (mm) 22.93 (582.3) 21.84 (554.8) -1.08 (-27.5) -4.7%
Width inches (mm) 8.46 (215) 8.07 (205) -0.39 (-10) -4.7%
Circum. inches (mm) 72.02 (1829.35) 68.62 (1742.96) -3.4 (-86.39) -4.7%
Sidewall Height inches (mm) 2.96 (75.25) 2.42 (61.5) -0.54 (-13.75) -18.3%
Revolutions per mile (km) 879.74 (546.64) 923.34 (573.74) 43.61 (27.1) 5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.06 mph (30.67 km/h)
25 mph (40.23 km/h)23.82 mph (38.33 km/h)
30 mph (48.28 km/h)28.58 mph (46 km/h)
35 mph (56.33 km/h)33.35 mph (53.67 km/h)
40 mph (64.37 km/h)38.11 mph (61.33 km/h)
45 mph (72.42 km/h)42.87 mph (69 km/h)
50 mph (80.47 km/h)47.64 mph (76.67 km/h)
55 mph (88.51 km/h)52.4 mph (84.33 km/h)
60 mph (96.56 km/h)57.17 mph (92 km/h)
65 mph (104.61 km/h)61.93 mph (99.67 km/h)
70 mph (112.65 km/h)66.69 mph (107.33 km/h)
75 mph (120.7 km/h)71.46 mph (115 km/h)
80 mph (128.75 km/h)76.22 mph (122.67 km/h)
85 mph (136.79 km/h)80.99 mph (130.33 km/h)
90 mph (144.84 km/h)85.75 mph (138 km/h)
95 mph (152.89 km/h)90.51 mph (145.67 km/h)
100 mph (160.93 km/h)95.28 mph (153.33 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 215/35-R17 Comparisons

To Top