Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/55-20 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.48 (799.5) | 32.99 (838) | 1.52 (38.5) 4.8% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 98.89 (2511.7) | 103.65 (2632.65) | 4.76 (120.95) 4.8% |
| Sidewall Height inches (mm) | 5.74 (145.75) | 6.5 (165) | 0.76 (19.25) 13.2% |
| Revolutions per mile (km) | 640.74 (398.14) | 611.3 (379.84) | -29.44 (-18.29) -4.6% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.96 mph (33.74 km/h) |
| 25 mph (40.23 km/h) | 26.2 mph (42.17 km/h) |
| 30 mph (48.28 km/h) | 31.44 mph (50.61 km/h) |
| 35 mph (56.33 km/h) | 36.69 mph (59.04 km/h) |
| 40 mph (64.37 km/h) | 41.93 mph (67.47 km/h) |
| 45 mph (72.42 km/h) | 47.17 mph (75.91 km/h) |
| 50 mph (80.47 km/h) | 52.41 mph (84.34 km/h) |
| 55 mph (88.51 km/h) | 57.65 mph (92.78 km/h) |
| 60 mph (96.56 km/h) | 62.89 mph (101.21 km/h) |
| 65 mph (104.61 km/h) | 68.13 mph (109.64 km/h) |
| 70 mph (112.65 km/h) | 73.37 mph (118.08 km/h) |
| 75 mph (120.7 km/h) | 78.61 mph (126.51 km/h) |
| 80 mph (128.75 km/h) | 83.85 mph (134.95 km/h) |
| 85 mph (136.79 km/h) | 89.09 mph (143.38 km/h) |
| 90 mph (144.84 km/h) | 94.33 mph (151.82 km/h) |
| 95 mph (152.89 km/h) | 99.57 mph (160.25 km/h) |
| 100 mph (160.93 km/h) | 104.82 mph (168.68 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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