Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 32.71 (830.8) | -11.54 (-293.2) -26.1% |
| Width inches (mm) | 16.73 (425) | 11.22 (285) | -5.51 (-140) -32.9% |
| Circum. inches (mm) | 139.02 (3531.15) | 102.76 (2610.04) | -36.26 (-921.11) -26.1% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 7.85 (199.5) | -3.02 (-76.75) -27.8% |
| Revolutions per mile (km) | 455.76 (283.19) | 616.6 (383.14) | 160.84 (99.94) 35.3% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.78 mph (23.79 km/h) |
| 25 mph (40.23 km/h) | 18.48 mph (29.74 km/h) |
| 30 mph (48.28 km/h) | 22.17 mph (35.69 km/h) |
| 35 mph (56.33 km/h) | 25.87 mph (41.63 km/h) |
| 40 mph (64.37 km/h) | 29.57 mph (47.58 km/h) |
| 45 mph (72.42 km/h) | 33.26 mph (53.53 km/h) |
| 50 mph (80.47 km/h) | 36.96 mph (59.48 km/h) |
| 55 mph (88.51 km/h) | 40.65 mph (65.42 km/h) |
| 60 mph (96.56 km/h) | 44.35 mph (71.37 km/h) |
| 65 mph (104.61 km/h) | 48.04 mph (77.32 km/h) |
| 70 mph (112.65 km/h) | 51.74 mph (83.27 km/h) |
| 75 mph (120.7 km/h) | 55.44 mph (89.22 km/h) |
| 80 mph (128.75 km/h) | 59.13 mph (95.16 km/h) |
| 85 mph (136.79 km/h) | 62.83 mph (101.11 km/h) |
| 90 mph (144.84 km/h) | 66.52 mph (107.06 km/h) |
| 95 mph (152.89 km/h) | 70.22 mph (113.01 km/h) |
| 100 mph (160.93 km/h) | 73.91 mph (118.95 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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