Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-18 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.52 (775.2) | 32.71 (830.8) | 2.19 (55.6) 7.2% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 95.88 (2435.36) | 102.76 (2610.04) | 6.88 (174.67) 7.2% |
| Sidewall Height inches (mm) | 6.26 (159) | 7.85 (199.5) | 1.59 (40.5) 25.5% |
| Revolutions per mile (km) | 660.82 (410.62) | 616.6 (383.14) | -44.22 (-27.48) -6.7% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.43 mph (34.5 km/h) |
| 25 mph (40.23 km/h) | 26.79 mph (43.12 km/h) |
| 30 mph (48.28 km/h) | 32.15 mph (51.74 km/h) |
| 35 mph (56.33 km/h) | 37.51 mph (60.37 km/h) |
| 40 mph (64.37 km/h) | 42.87 mph (68.99 km/h) |
| 45 mph (72.42 km/h) | 48.23 mph (77.61 km/h) |
| 50 mph (80.47 km/h) | 53.59 mph (86.24 km/h) |
| 55 mph (88.51 km/h) | 58.94 mph (94.86 km/h) |
| 60 mph (96.56 km/h) | 64.3 mph (103.49 km/h) |
| 65 mph (104.61 km/h) | 69.66 mph (112.11 km/h) |
| 70 mph (112.65 km/h) | 75.02 mph (120.73 km/h) |
| 75 mph (120.7 km/h) | 80.38 mph (129.36 km/h) |
| 80 mph (128.75 km/h) | 85.74 mph (137.98 km/h) |
| 85 mph (136.79 km/h) | 91.1 mph (146.61 km/h) |
| 90 mph (144.84 km/h) | 96.46 mph (155.23 km/h) |
| 95 mph (152.89 km/h) | 101.81 mph (163.85 km/h) |
| 100 mph (160.93 km/h) | 107.17 mph (172.48 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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