Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-17 | 315/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.16 (816.8) | 34.36 (872.8) | 2.2 (56) 6.9% |
| Width inches (mm) | 10.83 (275) | 12.4 (315) | 1.57 (40) 14.5% |
| Circum. inches (mm) | 101.03 (2566.05) | 107.95 (2741.98) | 6.93 (175.93) 6.9% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 8.68 (220.5) | 1.1 (28) 14.5% |
| Revolutions per mile (km) | 627.17 (389.7) | 586.93 (364.7) | -40.24 (-25) -6.4% |
315/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.37 mph (34.39 km/h) |
| 25 mph (40.23 km/h) | 26.71 mph (42.99 km/h) |
| 30 mph (48.28 km/h) | 32.06 mph (51.59 km/h) |
| 35 mph (56.33 km/h) | 37.4 mph (60.19 km/h) |
| 40 mph (64.37 km/h) | 42.74 mph (68.79 km/h) |
| 45 mph (72.42 km/h) | 48.09 mph (77.39 km/h) |
| 50 mph (80.47 km/h) | 53.43 mph (85.98 km/h) |
| 55 mph (88.51 km/h) | 58.77 mph (94.58 km/h) |
| 60 mph (96.56 km/h) | 64.11 mph (103.18 km/h) |
| 65 mph (104.61 km/h) | 69.46 mph (111.78 km/h) |
| 70 mph (112.65 km/h) | 74.8 mph (120.38 km/h) |
| 75 mph (120.7 km/h) | 80.14 mph (128.98 km/h) |
| 80 mph (128.75 km/h) | 85.48 mph (137.57 km/h) |
| 85 mph (136.79 km/h) | 90.83 mph (146.17 km/h) |
| 90 mph (144.84 km/h) | 96.17 mph (154.77 km/h) |
| 95 mph (152.89 km/h) | 101.51 mph (163.37 km/h) |
| 100 mph (160.93 km/h) | 106.86 mph (171.97 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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