Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.06 (839.8) | 33.83 (859.3) | 0.77 (19.5) 2.3% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 103.87 (2638.31) | 106.28 (2699.57) | 2.41 (61.26) 2.3% |
| Sidewall Height inches (mm) | 8.03 (204) | 8.42 (213.75) | 0.38 (9.75) 4.8% |
| Revolutions per mile (km) | 609.99 (379.03) | 596.15 (370.43) | -13.84 (-8.6) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.93 km/h) |
| 25 mph (40.23 km/h) | 25.58 mph (41.17 km/h) |
| 30 mph (48.28 km/h) | 30.7 mph (49.4 km/h) |
| 35 mph (56.33 km/h) | 35.81 mph (57.64 km/h) |
| 40 mph (64.37 km/h) | 40.93 mph (65.87 km/h) |
| 45 mph (72.42 km/h) | 46.04 mph (74.1 km/h) |
| 50 mph (80.47 km/h) | 51.16 mph (82.34 km/h) |
| 55 mph (88.51 km/h) | 56.28 mph (90.57 km/h) |
| 60 mph (96.56 km/h) | 61.39 mph (98.8 km/h) |
| 65 mph (104.61 km/h) | 66.51 mph (107.04 km/h) |
| 70 mph (112.65 km/h) | 71.63 mph (115.27 km/h) |
| 75 mph (120.7 km/h) | 76.74 mph (123.5 km/h) |
| 80 mph (128.75 km/h) | 81.86 mph (131.74 km/h) |
| 85 mph (136.79 km/h) | 86.97 mph (139.97 km/h) |
| 90 mph (144.84 km/h) | 92.09 mph (148.2 km/h) |
| 95 mph (152.89 km/h) | 97.21 mph (156.44 km/h) |
| 100 mph (160.93 km/h) | 102.32 mph (164.67 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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