Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.4 (746.8) | 32.71 (830.8) | 3.31 (84) 11.2% |
| Width inches (mm) | 8.86 (225) | 11.22 (285) | 2.36 (60) 26.7% |
| Circum. inches (mm) | 92.37 (2346.14) | 102.76 (2610.04) | 10.39 (263.89) 11.2% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 7.85 (199.5) | 1.65 (42) 26.7% |
| Revolutions per mile (km) | 685.95 (426.23) | 616.6 (383.14) | -69.35 (-43.1) -10.1% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.25 mph (35.81 km/h) |
| 25 mph (40.23 km/h) | 27.81 mph (44.76 km/h) |
| 30 mph (48.28 km/h) | 33.37 mph (53.71 km/h) |
| 35 mph (56.33 km/h) | 38.94 mph (62.66 km/h) |
| 40 mph (64.37 km/h) | 44.5 mph (71.61 km/h) |
| 45 mph (72.42 km/h) | 50.06 mph (80.57 km/h) |
| 50 mph (80.47 km/h) | 55.62 mph (89.52 km/h) |
| 55 mph (88.51 km/h) | 61.19 mph (98.47 km/h) |
| 60 mph (96.56 km/h) | 66.75 mph (107.42 km/h) |
| 65 mph (104.61 km/h) | 72.31 mph (116.37 km/h) |
| 70 mph (112.65 km/h) | 77.87 mph (125.33 km/h) |
| 75 mph (120.7 km/h) | 83.44 mph (134.28 km/h) |
| 80 mph (128.75 km/h) | 89 mph (143.23 km/h) |
| 85 mph (136.79 km/h) | 94.56 mph (152.18 km/h) |
| 90 mph (144.84 km/h) | 100.12 mph (161.13 km/h) |
| 95 mph (152.89 km/h) | 105.69 mph (170.08 km/h) |
| 100 mph (160.93 km/h) | 111.25 mph (179.04 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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