Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-17 | 245/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.91 (759.8) | 31.47 (799.3) | 1.56 (39.5) 5.2% |
| Width inches (mm) | 8.07 (205) | 9.65 (245) | 1.57 (40) 19.5% |
| Circum. inches (mm) | 93.98 (2386.98) | 98.86 (2511.08) | 4.89 (124.09) 5.2% |
| Sidewall Height inches (mm) | 6.46 (164) | 7.23 (183.75) | 0.78 (19.75) 12% |
| Revolutions per mile (km) | 674.22 (418.94) | 640.9 (398.24) | -33.32 (-20.7) -4.9% |
245/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.04 mph (33.86 km/h) |
| 25 mph (40.23 km/h) | 26.3 mph (42.33 km/h) |
| 30 mph (48.28 km/h) | 31.56 mph (50.79 km/h) |
| 35 mph (56.33 km/h) | 36.82 mph (59.26 km/h) |
| 40 mph (64.37 km/h) | 42.08 mph (67.72 km/h) |
| 45 mph (72.42 km/h) | 47.34 mph (76.19 km/h) |
| 50 mph (80.47 km/h) | 52.6 mph (84.65 km/h) |
| 55 mph (88.51 km/h) | 57.86 mph (93.12 km/h) |
| 60 mph (96.56 km/h) | 63.12 mph (101.58 km/h) |
| 65 mph (104.61 km/h) | 68.38 mph (110.05 km/h) |
| 70 mph (112.65 km/h) | 73.64 mph (118.51 km/h) |
| 75 mph (120.7 km/h) | 78.9 mph (126.98 km/h) |
| 80 mph (128.75 km/h) | 84.16 mph (135.44 km/h) |
| 85 mph (136.79 km/h) | 89.42 mph (143.91 km/h) |
| 90 mph (144.84 km/h) | 94.68 mph (152.37 km/h) |
| 95 mph (152.89 km/h) | 99.94 mph (160.84 km/h) |
| 100 mph (160.93 km/h) | 105.2 mph (169.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1631 | 1895 | 2040 | 2131 | 2228 | 2297 | 2374 | 2464 | 2589 | 2714 | 2852 | 2963 | 3165 | 3387 | 3560 | 3671 | 3734 | 3963 | 4282 | 4976 |
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