Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 32.71 (830.8) | 5.96 (151.5) 22.3% |
| Width inches (mm) | 6.5 (165) | 11.22 (285) | 4.72 (120) 72.7% |
| Circum. inches (mm) | 84.02 (2134.08) | 102.76 (2610.04) | 18.74 (475.95) 22.3% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 7.85 (199.5) | 2.98 (75.75) 61.2% |
| Revolutions per mile (km) | 754.11 (468.58) | 616.6 (383.14) | -137.52 (-85.45) -18.2% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.46 mph (39.37 km/h) |
| 25 mph (40.23 km/h) | 30.58 mph (49.21 km/h) |
| 30 mph (48.28 km/h) | 36.69 mph (59.05 km/h) |
| 35 mph (56.33 km/h) | 42.81 mph (68.89 km/h) |
| 40 mph (64.37 km/h) | 48.92 mph (78.73 km/h) |
| 45 mph (72.42 km/h) | 55.04 mph (88.57 km/h) |
| 50 mph (80.47 km/h) | 61.15 mph (98.41 km/h) |
| 55 mph (88.51 km/h) | 67.27 mph (108.25 km/h) |
| 60 mph (96.56 km/h) | 73.38 mph (118.1 km/h) |
| 65 mph (104.61 km/h) | 79.5 mph (127.94 km/h) |
| 70 mph (112.65 km/h) | 85.61 mph (137.78 km/h) |
| 75 mph (120.7 km/h) | 91.73 mph (147.62 km/h) |
| 80 mph (128.75 km/h) | 97.84 mph (157.46 km/h) |
| 85 mph (136.79 km/h) | 103.96 mph (167.3 km/h) |
| 90 mph (144.84 km/h) | 110.07 mph (177.14 km/h) |
| 95 mph (152.89 km/h) | 116.19 mph (186.99 km/h) |
| 100 mph (160.93 km/h) | 122.3 mph (196.83 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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