Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/75-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.6 (904.3) | 33.83 (859.3) | -1.77 (-45) -5% |
| Width inches (mm) | 12.4 (315) | 11.22 (285) | -1.18 (-30) -9.5% |
| Circum. inches (mm) | 111.85 (2840.94) | 106.28 (2699.57) | -5.57 (-141.37) -5% |
| Sidewall Height inches (mm) | 9.3 (236.25) | 8.42 (213.75) | -0.89 (-22.5) -9.5% |
| Revolutions per mile (km) | 566.48 (352) | 596.15 (370.43) | 29.67 (18.43) 5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19 mph (30.59 km/h) |
| 25 mph (40.23 km/h) | 23.76 mph (38.23 km/h) |
| 30 mph (48.28 km/h) | 28.51 mph (45.88 km/h) |
| 35 mph (56.33 km/h) | 33.26 mph (53.52 km/h) |
| 40 mph (64.37 km/h) | 38.01 mph (61.17 km/h) |
| 45 mph (72.42 km/h) | 42.76 mph (68.82 km/h) |
| 50 mph (80.47 km/h) | 47.51 mph (76.46 km/h) |
| 55 mph (88.51 km/h) | 52.26 mph (84.11 km/h) |
| 60 mph (96.56 km/h) | 57.01 mph (91.76 km/h) |
| 65 mph (104.61 km/h) | 61.77 mph (99.4 km/h) |
| 70 mph (112.65 km/h) | 66.52 mph (107.05 km/h) |
| 75 mph (120.7 km/h) | 71.27 mph (114.69 km/h) |
| 80 mph (128.75 km/h) | 76.02 mph (122.34 km/h) |
| 85 mph (136.79 km/h) | 80.77 mph (129.99 km/h) |
| 90 mph (144.84 km/h) | 85.52 mph (137.63 km/h) |
| 95 mph (152.89 km/h) | 90.27 mph (145.28 km/h) |
| 100 mph (160.93 km/h) | 95.02 mph (152.93 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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