Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.47 (799.3) | 32.06 (814.3) | 0.59 (15) 1.9% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 98.86 (2511.08) | 100.72 (2558.2) | 1.86 (47.12) 1.9% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 7.53 (191.25) | 0.3 (7.5) 4.1% |
| Revolutions per mile (km) | 640.9 (398.24) | 629.09 (390.9) | -11.81 (-7.34) -1.8% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.79 km/h) |
| 25 mph (40.23 km/h) | 25.47 mph (40.99 km/h) |
| 30 mph (48.28 km/h) | 30.56 mph (49.19 km/h) |
| 35 mph (56.33 km/h) | 35.66 mph (57.38 km/h) |
| 40 mph (64.37 km/h) | 40.75 mph (65.58 km/h) |
| 45 mph (72.42 km/h) | 45.84 mph (73.78 km/h) |
| 50 mph (80.47 km/h) | 50.94 mph (81.98 km/h) |
| 55 mph (88.51 km/h) | 56.03 mph (90.18 km/h) |
| 60 mph (96.56 km/h) | 61.13 mph (98.37 km/h) |
| 65 mph (104.61 km/h) | 66.22 mph (106.57 km/h) |
| 70 mph (112.65 km/h) | 71.31 mph (114.77 km/h) |
| 75 mph (120.7 km/h) | 76.41 mph (122.97 km/h) |
| 80 mph (128.75 km/h) | 81.5 mph (131.16 km/h) |
| 85 mph (136.79 km/h) | 86.6 mph (139.36 km/h) |
| 90 mph (144.84 km/h) | 91.69 mph (147.56 km/h) |
| 95 mph (152.89 km/h) | 96.78 mph (155.76 km/h) |
| 100 mph (160.93 km/h) | 101.88 mph (163.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1601 | 1860 | 2003 | 2091 | 2187 | 2255 | 2330 | 2418 | 2541 | 2664 | 2800 | 2909 | 3106 | 3324 | 3495 | 3604 | 3665 | 3890 | 4203 | 4885 |
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