Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.07 (789.3) | 32.71 (830.8) | 1.63 (41.5) 5.3% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 97.62 (2479.66) | 102.76 (2610.04) | 5.13 (130.38) 5.3% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 7.85 (199.5) | 0.82 (20.75) 11.6% |
| Revolutions per mile (km) | 649.02 (403.28) | 616.6 (383.14) | -32.42 (-20.14) -5% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.05 mph (33.88 km/h) |
| 25 mph (40.23 km/h) | 26.31 mph (42.35 km/h) |
| 30 mph (48.28 km/h) | 31.58 mph (50.82 km/h) |
| 35 mph (56.33 km/h) | 36.84 mph (59.29 km/h) |
| 40 mph (64.37 km/h) | 42.1 mph (67.76 km/h) |
| 45 mph (72.42 km/h) | 47.37 mph (76.23 km/h) |
| 50 mph (80.47 km/h) | 52.63 mph (84.7 km/h) |
| 55 mph (88.51 km/h) | 57.89 mph (93.17 km/h) |
| 60 mph (96.56 km/h) | 63.15 mph (101.64 km/h) |
| 65 mph (104.61 km/h) | 68.42 mph (110.11 km/h) |
| 70 mph (112.65 km/h) | 73.68 mph (118.58 km/h) |
| 75 mph (120.7 km/h) | 78.94 mph (127.05 km/h) |
| 80 mph (128.75 km/h) | 84.21 mph (135.52 km/h) |
| 85 mph (136.79 km/h) | 89.47 mph (143.99 km/h) |
| 90 mph (144.84 km/h) | 94.73 mph (152.46 km/h) |
| 95 mph (152.89 km/h) | 99.99 mph (160.93 km/h) |
| 100 mph (160.93 km/h) | 105.26 mph (169.4 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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