Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/50-20 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.43 (773) | 32.99 (838) | 2.56 (65) 8.4% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 95.61 (2428.45) | 103.65 (2632.65) | 8.04 (204.2) 8.4% |
| Sidewall Height inches (mm) | 5.22 (132.5) | 6.5 (165) | 1.28 (32.5) 24.5% |
| Revolutions per mile (km) | 662.7 (411.78) | 611.3 (379.84) | -51.4 (-31.94) -7.8% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.68 mph (34.89 km/h) |
| 25 mph (40.23 km/h) | 27.1 mph (43.62 km/h) |
| 30 mph (48.28 km/h) | 32.52 mph (52.34 km/h) |
| 35 mph (56.33 km/h) | 37.94 mph (61.06 km/h) |
| 40 mph (64.37 km/h) | 43.36 mph (69.79 km/h) |
| 45 mph (72.42 km/h) | 48.78 mph (78.51 km/h) |
| 50 mph (80.47 km/h) | 54.2 mph (87.23 km/h) |
| 55 mph (88.51 km/h) | 59.62 mph (95.96 km/h) |
| 60 mph (96.56 km/h) | 65.05 mph (104.68 km/h) |
| 65 mph (104.61 km/h) | 70.47 mph (113.4 km/h) |
| 70 mph (112.65 km/h) | 75.89 mph (122.13 km/h) |
| 75 mph (120.7 km/h) | 81.31 mph (130.85 km/h) |
| 80 mph (128.75 km/h) | 86.73 mph (139.57 km/h) |
| 85 mph (136.79 km/h) | 92.15 mph (148.3 km/h) |
| 90 mph (144.84 km/h) | 97.57 mph (157.02 km/h) |
| 95 mph (152.89 km/h) | 102.99 mph (165.74 km/h) |
| 100 mph (160.93 km/h) | 108.41 mph (174.47 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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