Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-16 | 245/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.29 (743.9) | 31.47 (799.3) | 2.18 (55.4) 7.4% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 92.01 (2337.03) | 98.86 (2511.08) | 6.85 (174.04) 7.4% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 7.23 (183.75) | 0.59 (15) 8.9% |
| Revolutions per mile (km) | 688.63 (427.89) | 640.9 (398.24) | -47.73 (-29.66) -6.9% |
245/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.49 mph (34.58 km/h) |
| 25 mph (40.23 km/h) | 26.86 mph (43.23 km/h) |
| 30 mph (48.28 km/h) | 32.23 mph (51.88 km/h) |
| 35 mph (56.33 km/h) | 37.61 mph (60.52 km/h) |
| 40 mph (64.37 km/h) | 42.98 mph (69.17 km/h) |
| 45 mph (72.42 km/h) | 48.35 mph (77.81 km/h) |
| 50 mph (80.47 km/h) | 53.72 mph (86.46 km/h) |
| 55 mph (88.51 km/h) | 59.1 mph (95.11 km/h) |
| 60 mph (96.56 km/h) | 64.47 mph (103.75 km/h) |
| 65 mph (104.61 km/h) | 69.84 mph (112.4 km/h) |
| 70 mph (112.65 km/h) | 75.21 mph (121.04 km/h) |
| 75 mph (120.7 km/h) | 80.59 mph (129.69 km/h) |
| 80 mph (128.75 km/h) | 85.96 mph (138.34 km/h) |
| 85 mph (136.79 km/h) | 91.33 mph (146.98 km/h) |
| 90 mph (144.84 km/h) | 96.7 mph (155.63 km/h) |
| 95 mph (152.89 km/h) | 102.07 mph (164.27 km/h) |
| 100 mph (160.93 km/h) | 107.45 mph (172.92 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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