Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.5 (774.8) | 33.83 (859.3) | 3.33 (84.5) 10.9% |
| Width inches (mm) | 9.65 (245) | 11.22 (285) | 1.57 (40) 16.3% |
| Circum. inches (mm) | 95.83 (2434.11) | 106.28 (2699.57) | 10.45 (265.46) 10.9% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 8.42 (213.75) | 1.66 (42.25) 24.6% |
| Revolutions per mile (km) | 661.16 (410.83) | 596.15 (370.43) | -65.02 (-40.4) -9.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.18 mph (35.7 km/h) |
| 25 mph (40.23 km/h) | 27.73 mph (44.62 km/h) |
| 30 mph (48.28 km/h) | 33.27 mph (53.55 km/h) |
| 35 mph (56.33 km/h) | 38.82 mph (62.47 km/h) |
| 40 mph (64.37 km/h) | 44.36 mph (71.39 km/h) |
| 45 mph (72.42 km/h) | 49.91 mph (80.32 km/h) |
| 50 mph (80.47 km/h) | 55.45 mph (89.24 km/h) |
| 55 mph (88.51 km/h) | 61 mph (98.17 km/h) |
| 60 mph (96.56 km/h) | 66.54 mph (107.09 km/h) |
| 65 mph (104.61 km/h) | 72.09 mph (116.02 km/h) |
| 70 mph (112.65 km/h) | 77.63 mph (124.94 km/h) |
| 75 mph (120.7 km/h) | 83.18 mph (133.86 km/h) |
| 80 mph (128.75 km/h) | 88.72 mph (142.79 km/h) |
| 85 mph (136.79 km/h) | 94.27 mph (151.71 km/h) |
| 90 mph (144.84 km/h) | 99.82 mph (160.64 km/h) |
| 95 mph (152.89 km/h) | 105.36 mph (169.56 km/h) |
| 100 mph (160.93 km/h) | 110.91 mph (178.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
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