Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/65r17 vs 275/65r17 Tire Comparison Side By Side
  265/65-17 275/65-17 Difference
Diameter inches (mm) 30.56 (776.3) 31.07 (789.3) 0.51 (13) 1.7%
Width inches (mm) 10.43 (265) 10.83 (275) 0.39 (10) 3.8%
Circum. inches (mm) 96.02 (2438.82) 97.62 (2479.66) 1.61 (40.84) 1.7%
Sidewall Height inches (mm) 6.78 (172.25) 7.04 (178.75) 0.26 (6.5) 3.8%
Revolutions per mile (km) 659.89 (410.03) 649.02 (403.28) -10.87 (-6.75) -1.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.33 mph (32.73 km/h)
25 mph (40.23 km/h)25.42 mph (40.91 km/h)
30 mph (48.28 km/h)30.5 mph (49.09 km/h)
35 mph (56.33 km/h)35.59 mph (57.27 km/h)
40 mph (64.37 km/h)40.67 mph (65.45 km/h)
45 mph (72.42 km/h)45.75 mph (73.63 km/h)
50 mph (80.47 km/h)50.84 mph (81.81 km/h)
55 mph (88.51 km/h)55.92 mph (90 km/h)
60 mph (96.56 km/h)61 mph (98.18 km/h)
65 mph (104.61 km/h)66.09 mph (106.36 km/h)
70 mph (112.65 km/h)71.17 mph (114.54 km/h)
75 mph (120.7 km/h)76.26 mph (122.72 km/h)
80 mph (128.75 km/h)81.34 mph (130.9 km/h)
85 mph (136.79 km/h)86.42 mph (139.09 km/h)
90 mph (144.84 km/h)91.51 mph (147.27 km/h)
95 mph (152.89 km/h)96.59 mph (155.45 km/h)
100 mph (160.93 km/h)101.67 mph (163.63 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
16521919206621582256232624042495262227482889300132053430360537183781401343365039
Better Fuel Economy Factory Ratios Increased Power

Most Popular 265/65-R17 Comparisons

To Top