Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/80-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.69 (855.8) | 32.71 (830.8) | -0.98 (-25) -2.9% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 105.85 (2688.57) | 102.76 (2610.04) | -3.09 (-78.54) -2.9% |
| Sidewall Height inches (mm) | 8.35 (212) | 7.85 (199.5) | -0.49 (-12.5) -5.9% |
| Revolutions per mile (km) | 598.59 (371.94) | 616.6 (383.14) | 18.01 (11.19) 3% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.42 mph (31.25 km/h) |
| 25 mph (40.23 km/h) | 24.27 mph (39.06 km/h) |
| 30 mph (48.28 km/h) | 29.12 mph (46.87 km/h) |
| 35 mph (56.33 km/h) | 33.98 mph (54.68 km/h) |
| 40 mph (64.37 km/h) | 38.83 mph (62.49 km/h) |
| 45 mph (72.42 km/h) | 43.69 mph (70.31 km/h) |
| 50 mph (80.47 km/h) | 48.54 mph (78.12 km/h) |
| 55 mph (88.51 km/h) | 53.39 mph (85.93 km/h) |
| 60 mph (96.56 km/h) | 58.25 mph (93.74 km/h) |
| 65 mph (104.61 km/h) | 63.1 mph (101.55 km/h) |
| 70 mph (112.65 km/h) | 67.96 mph (109.36 km/h) |
| 75 mph (120.7 km/h) | 72.81 mph (117.18 km/h) |
| 80 mph (128.75 km/h) | 77.66 mph (124.99 km/h) |
| 85 mph (136.79 km/h) | 82.52 mph (132.8 km/h) |
| 90 mph (144.84 km/h) | 87.37 mph (140.61 km/h) |
| 95 mph (152.89 km/h) | 92.22 mph (148.42 km/h) |
| 100 mph (160.93 km/h) | 97.08 mph (156.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1569 | 1823 | 1963 | 2050 | 2143 | 2210 | 2284 | 2370 | 2491 | 2611 | 2744 | 2851 | 3045 | 3258 | 3425 | 3532 | 3592 | 3813 | 4120 | 4788 |
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