Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/75-17 | 255/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.06 (814.3) | 33.06 (839.8) | 1 (25.5) 3.1% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 100.72 (2558.2) | 103.87 (2638.31) | 3.15 (80.11) 3.1% |
| Sidewall Height inches (mm) | 7.53 (191.25) | 8.03 (204) | 0.5 (12.75) 6.7% |
| Revolutions per mile (km) | 629.09 (390.9) | 609.99 (379.03) | -19.1 (-11.87) -3% |
255/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.63 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.49 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.79 km/h) |
| 35 mph (56.33 km/h) | 36.1 mph (58.09 km/h) |
| 40 mph (64.37 km/h) | 41.25 mph (66.39 km/h) |
| 45 mph (72.42 km/h) | 46.41 mph (74.69 km/h) |
| 50 mph (80.47 km/h) | 51.57 mph (82.99 km/h) |
| 55 mph (88.51 km/h) | 56.72 mph (91.29 km/h) |
| 60 mph (96.56 km/h) | 61.88 mph (99.58 km/h) |
| 65 mph (104.61 km/h) | 67.04 mph (107.88 km/h) |
| 70 mph (112.65 km/h) | 72.19 mph (116.18 km/h) |
| 75 mph (120.7 km/h) | 77.35 mph (124.48 km/h) |
| 80 mph (128.75 km/h) | 82.51 mph (132.78 km/h) |
| 85 mph (136.79 km/h) | 87.66 mph (141.08 km/h) |
| 90 mph (144.84 km/h) | 92.82 mph (149.38 km/h) |
| 95 mph (152.89 km/h) | 97.97 mph (157.68 km/h) |
| 100 mph (160.93 km/h) | 103.13 mph (165.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1552 | 1803 | 1942 | 2028 | 2120 | 2186 | 2259 | 2345 | 2464 | 2583 | 2715 | 2821 | 3012 | 3224 | 3389 | 3494 | 3554 | 3772 | 4076 | 4736 |
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