Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/65-18 | 265/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.31 (795.2) | 34.69 (881.2) | 3.39 (86) 10.8% |
| Width inches (mm) | 10.24 (260) | 10.43 (265) | 0.2 (5) 1.9% |
| Circum. inches (mm) | 98.35 (2498.19) | 108.99 (2768.37) | 10.64 (270.18) 10.8% |
| Sidewall Height inches (mm) | 6.65 (169) | 8.35 (212) | 1.69 (43) 25.4% |
| Revolutions per mile (km) | 644.2 (400.29) | 581.33 (361.22) | -62.87 (-39.07) -9.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.16 mph (35.67 km/h) |
| 25 mph (40.23 km/h) | 27.7 mph (44.58 km/h) |
| 30 mph (48.28 km/h) | 33.24 mph (53.5 km/h) |
| 35 mph (56.33 km/h) | 38.79 mph (62.42 km/h) |
| 40 mph (64.37 km/h) | 44.33 mph (71.34 km/h) |
| 45 mph (72.42 km/h) | 49.87 mph (80.25 km/h) |
| 50 mph (80.47 km/h) | 55.41 mph (89.17 km/h) |
| 55 mph (88.51 km/h) | 60.95 mph (98.09 km/h) |
| 60 mph (96.56 km/h) | 66.49 mph (107 km/h) |
| 65 mph (104.61 km/h) | 72.03 mph (115.92 km/h) |
| 70 mph (112.65 km/h) | 77.57 mph (124.84 km/h) |
| 75 mph (120.7 km/h) | 83.11 mph (133.75 km/h) |
| 80 mph (128.75 km/h) | 88.65 mph (142.67 km/h) |
| 85 mph (136.79 km/h) | 94.19 mph (151.59 km/h) |
| 90 mph (144.84 km/h) | 99.73 mph (160.51 km/h) |
| 95 mph (152.89 km/h) | 105.27 mph (169.42 km/h) |
| 100 mph (160.93 km/h) | 110.81 mph (178.34 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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