Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/80-17 | 315/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.69 (855.8) | 34.36 (872.8) | 0.67 (17) 2% |
| Width inches (mm) | 10.43 (265) | 12.4 (315) | 1.97 (50) 18.9% |
| Circum. inches (mm) | 105.85 (2688.57) | 107.95 (2741.98) | 2.1 (53.41) 2% |
| Sidewall Height inches (mm) | 8.35 (212) | 8.68 (220.5) | 0.33 (8.5) 4% |
| Revolutions per mile (km) | 598.59 (371.94) | 586.93 (364.7) | -11.66 (-7.24) -1.9% |
315/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.83 km/h) |
| 25 mph (40.23 km/h) | 25.5 mph (41.03 km/h) |
| 30 mph (48.28 km/h) | 30.6 mph (49.24 km/h) |
| 35 mph (56.33 km/h) | 35.7 mph (57.45 km/h) |
| 40 mph (64.37 km/h) | 40.79 mph (65.65 km/h) |
| 45 mph (72.42 km/h) | 45.89 mph (73.86 km/h) |
| 50 mph (80.47 km/h) | 50.99 mph (82.07 km/h) |
| 55 mph (88.51 km/h) | 56.09 mph (90.27 km/h) |
| 60 mph (96.56 km/h) | 61.19 mph (98.48 km/h) |
| 65 mph (104.61 km/h) | 66.29 mph (106.69 km/h) |
| 70 mph (112.65 km/h) | 71.39 mph (114.89 km/h) |
| 75 mph (120.7 km/h) | 76.49 mph (123.1 km/h) |
| 80 mph (128.75 km/h) | 81.59 mph (131.31 km/h) |
| 85 mph (136.79 km/h) | 86.69 mph (139.51 km/h) |
| 90 mph (144.84 km/h) | 91.79 mph (147.72 km/h) |
| 95 mph (152.89 km/h) | 96.89 mph (155.93 km/h) |
| 100 mph (160.93 km/h) | 101.99 mph (164.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1494 | 1735 | 1869 | 1951 | 2040 | 2104 | 2174 | 2256 | 2371 | 2485 | 2612 | 2714 | 2898 | 3102 | 3261 | 3362 | 3419 | 3629 | 3922 | 4557 |
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