Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/60-17 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.99 (761.8) | 32.71 (830.8) | 2.72 (69) 9.1% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 94.22 (2393.27) | 102.76 (2610.04) | 8.53 (216.77) 9.1% |
| Sidewall Height inches (mm) | 6.5 (165) | 7.85 (199.5) | 1.36 (34.5) 20.9% |
| Revolutions per mile (km) | 672.45 (417.84) | 616.6 (383.14) | -55.85 (-34.7) -8.3% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.81 mph (35.1 km/h) |
| 25 mph (40.23 km/h) | 27.26 mph (43.88 km/h) |
| 30 mph (48.28 km/h) | 32.72 mph (52.65 km/h) |
| 35 mph (56.33 km/h) | 38.17 mph (61.43 km/h) |
| 40 mph (64.37 km/h) | 43.62 mph (70.2 km/h) |
| 45 mph (72.42 km/h) | 49.08 mph (78.98 km/h) |
| 50 mph (80.47 km/h) | 54.53 mph (87.76 km/h) |
| 55 mph (88.51 km/h) | 59.98 mph (96.53 km/h) |
| 60 mph (96.56 km/h) | 65.43 mph (105.31 km/h) |
| 65 mph (104.61 km/h) | 70.89 mph (114.08 km/h) |
| 70 mph (112.65 km/h) | 76.34 mph (122.86 km/h) |
| 75 mph (120.7 km/h) | 81.79 mph (131.63 km/h) |
| 80 mph (128.75 km/h) | 87.25 mph (140.41 km/h) |
| 85 mph (136.79 km/h) | 92.7 mph (149.18 km/h) |
| 90 mph (144.84 km/h) | 98.15 mph (157.96 km/h) |
| 95 mph (152.89 km/h) | 103.6 mph (166.74 km/h) |
| 100 mph (160.93 km/h) | 109.06 mph (175.51 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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