Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-16 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.16 (791.4) | 32.71 (830.8) | 1.55 (39.4) 5% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 97.88 (2486.26) | 102.76 (2610.04) | 4.87 (123.78) 5% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 7.85 (199.5) | 0.28 (7) 3.6% |
| Revolutions per mile (km) | 647.3 (402.21) | 616.6 (383.14) | -30.7 (-19.07) -4.7% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21 mph (33.79 km/h) |
| 25 mph (40.23 km/h) | 26.24 mph (42.24 km/h) |
| 30 mph (48.28 km/h) | 31.49 mph (50.68 km/h) |
| 35 mph (56.33 km/h) | 36.74 mph (59.13 km/h) |
| 40 mph (64.37 km/h) | 41.99 mph (67.58 km/h) |
| 45 mph (72.42 km/h) | 47.24 mph (76.03 km/h) |
| 50 mph (80.47 km/h) | 52.49 mph (84.47 km/h) |
| 55 mph (88.51 km/h) | 57.74 mph (92.92 km/h) |
| 60 mph (96.56 km/h) | 62.99 mph (101.37 km/h) |
| 65 mph (104.61 km/h) | 68.24 mph (109.82 km/h) |
| 70 mph (112.65 km/h) | 73.48 mph (118.26 km/h) |
| 75 mph (120.7 km/h) | 78.73 mph (126.71 km/h) |
| 80 mph (128.75 km/h) | 83.98 mph (135.16 km/h) |
| 85 mph (136.79 km/h) | 89.23 mph (143.6 km/h) |
| 90 mph (144.84 km/h) | 94.48 mph (152.05 km/h) |
| 95 mph (152.89 km/h) | 99.73 mph (160.5 km/h) |
| 100 mph (160.93 km/h) | 104.98 mph (168.95 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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