Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/35-20 | 255/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.85 (707.5) | 27.03 (686.5) | -0.83 (-21) -3% |
| Width inches (mm) | 11.22 (285) | 10.04 (255) | -1.18 (-30) -10.5% |
| Circum. inches (mm) | 87.51 (2222.68) | 84.91 (2156.7) | -2.6 (-65.97) -3% |
| Sidewall Height inches (mm) | 3.93 (99.75) | 3.51 (89.25) | -0.41 (-10.5) -10.5% |
| Revolutions per mile (km) | 724.06 (449.91) | 746.21 (463.67) | 22.15 (13.76) 3.1% |
255/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.41 mph (31.23 km/h) |
| 25 mph (40.23 km/h) | 24.26 mph (39.04 km/h) |
| 30 mph (48.28 km/h) | 29.11 mph (46.85 km/h) |
| 35 mph (56.33 km/h) | 33.96 mph (54.66 km/h) |
| 40 mph (64.37 km/h) | 38.81 mph (62.46 km/h) |
| 45 mph (72.42 km/h) | 43.66 mph (70.27 km/h) |
| 50 mph (80.47 km/h) | 48.52 mph (78.08 km/h) |
| 55 mph (88.51 km/h) | 53.37 mph (85.89 km/h) |
| 60 mph (96.56 km/h) | 58.22 mph (93.69 km/h) |
| 65 mph (104.61 km/h) | 63.07 mph (101.5 km/h) |
| 70 mph (112.65 km/h) | 67.92 mph (109.31 km/h) |
| 75 mph (120.7 km/h) | 72.77 mph (117.12 km/h) |
| 80 mph (128.75 km/h) | 77.63 mph (124.93 km/h) |
| 85 mph (136.79 km/h) | 82.48 mph (132.73 km/h) |
| 90 mph (144.84 km/h) | 87.33 mph (140.54 km/h) |
| 95 mph (152.89 km/h) | 92.18 mph (148.35 km/h) |
| 100 mph (160.93 km/h) | 97.03 mph (156.16 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 |
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