Accepts P-Metric and Inches
245/70-17 | 255/75-17 | Difference | |
---|---|---|---|
Diameter inches (mm) | 30.5 (774.8) | 32.06 (814.3) | 1.56 (39.5) 5.1% |
Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
Circum. inches (mm) | 95.83 (2434.11) | 100.72 (2558.2) | 4.89 (124.09) 5.1% |
Sidewall Height inches (mm) | 6.75 (171.5) | 7.53 (191.25) | 0.78 (19.75) 11.5% |
Revolutions per mile (km) | 661.16 (410.83) | 629.09 (390.9) | -32.07 (-19.93) -4.9% |
255/75-17 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 21.02 mph (33.83 km/h) |
25 mph (40.23 km/h) | 26.27 mph (42.28 km/h) |
30 mph (48.28 km/h) | 31.53 mph (50.74 km/h) |
35 mph (56.33 km/h) | 36.78 mph (59.2 km/h) |
40 mph (64.37 km/h) | 42.04 mph (67.66 km/h) |
45 mph (72.42 km/h) | 47.29 mph (76.11 km/h) |
50 mph (80.47 km/h) | 52.55 mph (84.57 km/h) |
55 mph (88.51 km/h) | 57.8 mph (93.03 km/h) |
60 mph (96.56 km/h) | 63.06 mph (101.48 km/h) |
65 mph (104.61 km/h) | 68.31 mph (109.94 km/h) |
70 mph (112.65 km/h) | 73.57 mph (118.4 km/h) |
75 mph (120.7 km/h) | 78.82 mph (126.85 km/h) |
80 mph (128.75 km/h) | 84.08 mph (135.31 km/h) |
85 mph (136.79 km/h) | 89.33 mph (143.77 km/h) |
90 mph (144.84 km/h) | 94.59 mph (152.23 km/h) |
95 mph (152.89 km/h) | 99.84 mph (160.68 km/h) |
100 mph (160.93 km/h) | 105.1 mph (169.14 km/h) |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1601 | 1860 | 2003 | 2091 | 2187 | 2255 | 2330 | 2418 | 2541 | 2664 | 2800 | 2909 | 3106 | 3324 | 3495 | 3604 | 3665 | 3890 | 4203 | 4885 |
Better Fuel Economy Factory Ratios Increased Power