Accepts P-Metric and Inches
235/60-18 | 255/35-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 29.1 (739.2) | 27.03 (686.5) | -2.07 (-52.7) -7.1% |
Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
Circum. inches (mm) | 91.43 (2322.27) | 84.91 (2156.7) | -6.52 (-165.56) -7.1% |
Sidewall Height inches (mm) | 5.55 (141) | 3.51 (89.25) | -2.04 (-51.75) -36.7% |
Revolutions per mile (km) | 693.01 (430.61) | 746.21 (463.67) | 53.2 (33.06) 7.7% |
255/35-20 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 18.57 mph (29.89 km/h) |
25 mph (40.23 km/h) | 23.22 mph (37.37 km/h) |
30 mph (48.28 km/h) | 27.86 mph (44.84 km/h) |
35 mph (56.33 km/h) | 32.5 mph (52.31 km/h) |
40 mph (64.37 km/h) | 37.15 mph (59.78 km/h) |
45 mph (72.42 km/h) | 41.79 mph (67.26 km/h) |
50 mph (80.47 km/h) | 46.44 mph (74.73 km/h) |
55 mph (88.51 km/h) | 51.08 mph (82.2 km/h) |
60 mph (96.56 km/h) | 55.72 mph (89.68 km/h) |
65 mph (104.61 km/h) | 60.37 mph (97.15 km/h) |
70 mph (112.65 km/h) | 65.01 mph (104.62 km/h) |
75 mph (120.7 km/h) | 69.65 mph (112.1 km/h) |
80 mph (128.75 km/h) | 74.3 mph (119.57 km/h) |
85 mph (136.79 km/h) | 78.94 mph (127.04 km/h) |
90 mph (144.84 km/h) | 83.58 mph (134.52 km/h) |
95 mph (152.89 km/h) | 88.23 mph (141.99 km/h) |
100 mph (160.93 km/h) | 92.87 mph (149.46 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1899 | 2206 | 2376 | 2481 | 2594 | 2675 | 2764 | 2869 | 3014 | 3160 | 3321 | 3450 | 3685 | 3943 | 4145 | 4275 | 4347 | 4614 | 4986 | 5794 |
Better Fuel Economy Factory Ratios Increased Power