Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/80-18 | 265/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.01 (889.2) | 30.52 (775.2) | -4.49 (-114) -12.8% |
| Width inches (mm) | 10.63 (270) | 10.43 (265) | -0.2 (-5) -1.9% |
| Circum. inches (mm) | 109.98 (2793.5) | 95.88 (2435.36) | -14.1 (-358.14) -12.8% |
| Sidewall Height inches (mm) | 8.5 (216) | 6.26 (159) | -2.24 (-57) -26.4% |
| Revolutions per mile (km) | 576.1 (357.97) | 660.82 (410.62) | 84.72 (52.64) 14.7% |
265/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.44 mph (28.06 km/h) |
| 25 mph (40.23 km/h) | 21.79 mph (35.08 km/h) |
| 30 mph (48.28 km/h) | 26.15 mph (42.09 km/h) |
| 35 mph (56.33 km/h) | 30.51 mph (49.11 km/h) |
| 40 mph (64.37 km/h) | 34.87 mph (56.12 km/h) |
| 45 mph (72.42 km/h) | 39.23 mph (63.14 km/h) |
| 50 mph (80.47 km/h) | 43.59 mph (70.15 km/h) |
| 55 mph (88.51 km/h) | 47.95 mph (77.17 km/h) |
| 60 mph (96.56 km/h) | 52.31 mph (84.18 km/h) |
| 65 mph (104.61 km/h) | 56.67 mph (91.2 km/h) |
| 70 mph (112.65 km/h) | 61.03 mph (98.21 km/h) |
| 75 mph (120.7 km/h) | 65.38 mph (105.23 km/h) |
| 80 mph (128.75 km/h) | 69.74 mph (112.24 km/h) |
| 85 mph (136.79 km/h) | 74.1 mph (119.26 km/h) |
| 90 mph (144.84 km/h) | 78.46 mph (126.27 km/h) |
| 95 mph (152.89 km/h) | 82.82 mph (133.29 km/h) |
| 100 mph (160.93 km/h) | 87.18 mph (140.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1682 | 1954 | 2104 | 2197 | 2297 | 2369 | 2447 | 2540 | 2669 | 2798 | 2941 | 3056 | 3263 | 3492 | 3671 | 3786 | 3850 | 4086 | 4415 | 5131 |
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