Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 265/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 34.69 (881.2) | 4.6 (116.8) 15.3% |
| Width inches (mm) | 10.08 (256) | 10.43 (265) | 0.35 (9) 3.5% |
| Circum. inches (mm) | 94.54 (2401.43) | 108.99 (2768.37) | 14.45 (366.94) 15.3% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 8.35 (212) | 2.3 (58.4) 38% |
| Revolutions per mile (km) | 670.16 (416.42) | 581.33 (361.22) | -88.83 (-55.19) -13.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.06 mph (37.11 km/h) |
| 25 mph (40.23 km/h) | 28.82 mph (46.38 km/h) |
| 30 mph (48.28 km/h) | 34.58 mph (55.66 km/h) |
| 35 mph (56.33 km/h) | 40.35 mph (64.93 km/h) |
| 40 mph (64.37 km/h) | 46.11 mph (74.21 km/h) |
| 45 mph (72.42 km/h) | 51.88 mph (83.49 km/h) |
| 50 mph (80.47 km/h) | 57.64 mph (92.76 km/h) |
| 55 mph (88.51 km/h) | 63.4 mph (102.04 km/h) |
| 60 mph (96.56 km/h) | 69.17 mph (111.32 km/h) |
| 65 mph (104.61 km/h) | 74.93 mph (120.59 km/h) |
| 70 mph (112.65 km/h) | 80.7 mph (129.87 km/h) |
| 75 mph (120.7 km/h) | 86.46 mph (139.14 km/h) |
| 80 mph (128.75 km/h) | 92.22 mph (148.42 km/h) |
| 85 mph (136.79 km/h) | 97.99 mph (157.7 km/h) |
| 90 mph (144.84 km/h) | 103.75 mph (166.97 km/h) |
| 95 mph (152.89 km/h) | 109.52 mph (176.25 km/h) |
| 100 mph (160.93 km/h) | 115.28 mph (185.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1479 | 1719 | 1851 | 1933 | 2021 | 2084 | 2153 | 2235 | 2348 | 2461 | 2587 | 2688 | 2871 | 3072 | 3229 | 3330 | 3387 | 3595 | 3884 | 4514 |
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