Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 260/75-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 35.35 (898) | 9.94 (252.5) 39.1% |
| Width inches (mm) | 10.83 (275) | 10.24 (260) | -0.59 (-15) -5.5% |
| Circum. inches (mm) | 79.84 (2027.9) | 111.07 (2821.15) | 31.23 (793.25) 39.1% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 7.68 (195) | 4.97 (126.25) 183.6% |
| Revolutions per mile (km) | 793.6 (493.12) | 570.46 (354.46) | -223.15 (-138.66) -28.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.82 mph (44.78 km/h) |
| 25 mph (40.23 km/h) | 34.78 mph (55.97 km/h) |
| 30 mph (48.28 km/h) | 41.74 mph (67.17 km/h) |
| 35 mph (56.33 km/h) | 48.69 mph (78.36 km/h) |
| 40 mph (64.37 km/h) | 55.65 mph (89.55 km/h) |
| 45 mph (72.42 km/h) | 62.6 mph (100.75 km/h) |
| 50 mph (80.47 km/h) | 69.56 mph (111.94 km/h) |
| 55 mph (88.51 km/h) | 76.51 mph (123.14 km/h) |
| 60 mph (96.56 km/h) | 83.47 mph (134.33 km/h) |
| 65 mph (104.61 km/h) | 90.43 mph (145.53 km/h) |
| 70 mph (112.65 km/h) | 97.38 mph (156.72 km/h) |
| 75 mph (120.7 km/h) | 104.34 mph (167.92 km/h) |
| 80 mph (128.75 km/h) | 111.29 mph (179.11 km/h) |
| 85 mph (136.79 km/h) | 118.25 mph (190.3 km/h) |
| 90 mph (144.84 km/h) | 125.21 mph (201.5 km/h) |
| 95 mph (152.89 km/h) | 132.16 mph (212.69 km/h) |
| 100 mph (160.93 km/h) | 139.12 mph (223.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1452 | 1686 | 1816 | 1896 | 1983 | 2045 | 2113 | 2193 | 2304 | 2415 | 2539 | 2638 | 2817 | 3015 | 3169 | 3268 | 3323 | 3527 | 3811 | 4429 |
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