Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/70-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.06 (788.8) | 32.06 (814.3) | 1 (25.5) 3.2% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 97.56 (2478.09) | 100.72 (2558.2) | 3.15 (80.11) 3.2% |
| Sidewall Height inches (mm) | 7.03 (178.5) | 7.53 (191.25) | 0.5 (12.75) 7.1% |
| Revolutions per mile (km) | 649.43 (403.54) | 629.09 (390.9) | -20.34 (-12.64) -3.1% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.65 mph (33.23 km/h) |
| 25 mph (40.23 km/h) | 25.81 mph (41.53 km/h) |
| 30 mph (48.28 km/h) | 30.97 mph (49.84 km/h) |
| 35 mph (56.33 km/h) | 36.13 mph (58.15 km/h) |
| 40 mph (64.37 km/h) | 41.29 mph (66.45 km/h) |
| 45 mph (72.42 km/h) | 46.45 mph (74.76 km/h) |
| 50 mph (80.47 km/h) | 51.62 mph (83.07 km/h) |
| 55 mph (88.51 km/h) | 56.78 mph (91.38 km/h) |
| 60 mph (96.56 km/h) | 61.94 mph (99.68 km/h) |
| 65 mph (104.61 km/h) | 67.1 mph (107.99 km/h) |
| 70 mph (112.65 km/h) | 72.26 mph (116.3 km/h) |
| 75 mph (120.7 km/h) | 77.42 mph (124.6 km/h) |
| 80 mph (128.75 km/h) | 82.59 mph (132.91 km/h) |
| 85 mph (136.79 km/h) | 87.75 mph (141.22 km/h) |
| 90 mph (144.84 km/h) | 92.91 mph (149.52 km/h) |
| 95 mph (152.89 km/h) | 98.07 mph (157.83 km/h) |
| 100 mph (160.93 km/h) | 103.23 mph (166.14 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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