Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/70-17 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.33 (795.8) | 32.99 (838) | 1.66 (42.2) 5.3% |
| Width inches (mm) | 10.24 (260) | 10.83 (275) | 0.59 (15) 5.8% |
| Circum. inches (mm) | 98.43 (2500.08) | 103.65 (2632.65) | 5.22 (132.58) 5.3% |
| Sidewall Height inches (mm) | 7.17 (182) | 6.5 (165) | -0.67 (-17) -9.3% |
| Revolutions per mile (km) | 643.72 (399.99) | 611.3 (379.84) | -32.42 (-20.14) -5% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.89 km/h) |
| 25 mph (40.23 km/h) | 26.33 mph (42.37 km/h) |
| 30 mph (48.28 km/h) | 31.59 mph (50.84 km/h) |
| 35 mph (56.33 km/h) | 36.86 mph (59.31 km/h) |
| 40 mph (64.37 km/h) | 42.12 mph (67.79 km/h) |
| 45 mph (72.42 km/h) | 47.39 mph (76.26 km/h) |
| 50 mph (80.47 km/h) | 52.65 mph (84.73 km/h) |
| 55 mph (88.51 km/h) | 57.92 mph (93.21 km/h) |
| 60 mph (96.56 km/h) | 63.18 mph (101.68 km/h) |
| 65 mph (104.61 km/h) | 68.45 mph (110.15 km/h) |
| 70 mph (112.65 km/h) | 73.71 mph (118.63 km/h) |
| 75 mph (120.7 km/h) | 78.98 mph (127.1 km/h) |
| 80 mph (128.75 km/h) | 84.24 mph (135.58 km/h) |
| 85 mph (136.79 km/h) | 89.51 mph (144.05 km/h) |
| 90 mph (144.84 km/h) | 94.77 mph (152.52 km/h) |
| 95 mph (152.89 km/h) | 100.04 mph (161 km/h) |
| 100 mph (160.93 km/h) | 105.3 mph (169.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | 1807 | 1946 | 2032 | 2125 | 2191 | 2264 | 2350 | 2469 | 2588 | 2721 | 2827 | 3019 | 3230 | 3396 | 3502 | 3561 | 3780 | 4084 | 4746 |
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