Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 32.71 (830.8) | 8.27 (210) 33.8% |
| Width inches (mm) | 5.31 (135) | 11.22 (285) | 5.91 (150) 111.1% |
| Circum. inches (mm) | 76.78 (1950.3) | 102.76 (2610.04) | 25.97 (659.73) 33.8% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 7.85 (199.5) | 4.13 (105) 111.1% |
| Revolutions per mile (km) | 825.18 (512.74) | 616.6 (383.14) | -208.58 (-129.6) -25.3% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.77 mph (43.07 km/h) |
| 25 mph (40.23 km/h) | 33.46 mph (53.84 km/h) |
| 30 mph (48.28 km/h) | 40.15 mph (64.61 km/h) |
| 35 mph (56.33 km/h) | 46.84 mph (75.38 km/h) |
| 40 mph (64.37 km/h) | 53.53 mph (86.15 km/h) |
| 45 mph (72.42 km/h) | 60.22 mph (96.92 km/h) |
| 50 mph (80.47 km/h) | 66.91 mph (107.69 km/h) |
| 55 mph (88.51 km/h) | 73.61 mph (118.46 km/h) |
| 60 mph (96.56 km/h) | 80.3 mph (129.22 km/h) |
| 65 mph (104.61 km/h) | 86.99 mph (139.99 km/h) |
| 70 mph (112.65 km/h) | 93.68 mph (150.76 km/h) |
| 75 mph (120.7 km/h) | 100.37 mph (161.53 km/h) |
| 80 mph (128.75 km/h) | 107.06 mph (172.3 km/h) |
| 85 mph (136.79 km/h) | 113.75 mph (183.07 km/h) |
| 90 mph (144.84 km/h) | 120.44 mph (193.84 km/h) |
| 95 mph (152.89 km/h) | 127.14 mph (204.61 km/h) |
| 100 mph (160.93 km/h) | 133.83 mph (215.37 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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