Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/75-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.83 (859.3) | 32.71 (830.8) | -1.12 (-28.5) -3.3% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 106.28 (2699.57) | 102.76 (2610.04) | -3.53 (-89.54) -3.3% |
| Sidewall Height inches (mm) | 8.42 (213.75) | 7.85 (199.5) | -0.56 (-14.25) -6.7% |
| Revolutions per mile (km) | 596.15 (370.43) | 616.6 (383.14) | 20.45 (12.71) 3.4% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.12 km/h) |
| 25 mph (40.23 km/h) | 24.17 mph (38.9 km/h) |
| 30 mph (48.28 km/h) | 29.01 mph (46.68 km/h) |
| 35 mph (56.33 km/h) | 33.84 mph (54.46 km/h) |
| 40 mph (64.37 km/h) | 38.67 mph (62.24 km/h) |
| 45 mph (72.42 km/h) | 43.51 mph (70.02 km/h) |
| 50 mph (80.47 km/h) | 48.34 mph (77.8 km/h) |
| 55 mph (88.51 km/h) | 53.18 mph (85.58 km/h) |
| 60 mph (96.56 km/h) | 58.01 mph (93.36 km/h) |
| 65 mph (104.61 km/h) | 62.84 mph (101.14 km/h) |
| 70 mph (112.65 km/h) | 67.68 mph (108.92 km/h) |
| 75 mph (120.7 km/h) | 72.51 mph (116.7 km/h) |
| 80 mph (128.75 km/h) | 77.35 mph (124.48 km/h) |
| 85 mph (136.79 km/h) | 82.18 mph (132.26 km/h) |
| 90 mph (144.84 km/h) | 87.02 mph (140.04 km/h) |
| 95 mph (152.89 km/h) | 91.85 mph (147.82 km/h) |
| 100 mph (160.93 km/h) | 96.68 mph (155.6 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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