Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-20 | 275/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.52 (826) | 31.91 (810.5) | -0.61 (-15.5) -1.9% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 102.16 (2594.96) | 100.25 (2546.26) | -1.92 (-48.69) -1.9% |
| Sidewall Height inches (mm) | 6.26 (159) | 5.95 (151.25) | -0.31 (-7.75) -4.9% |
| Revolutions per mile (km) | 620.18 (385.36) | 632.04 (392.73) | 11.86 (7.37) 1.9% |
275/55-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.58 km/h) |
| 25 mph (40.23 km/h) | 24.53 mph (39.48 km/h) |
| 30 mph (48.28 km/h) | 29.44 mph (47.37 km/h) |
| 35 mph (56.33 km/h) | 34.34 mph (55.27 km/h) |
| 40 mph (64.37 km/h) | 39.25 mph (63.17 km/h) |
| 45 mph (72.42 km/h) | 44.16 mph (71.06 km/h) |
| 50 mph (80.47 km/h) | 49.06 mph (78.96 km/h) |
| 55 mph (88.51 km/h) | 53.97 mph (86.85 km/h) |
| 60 mph (96.56 km/h) | 58.87 mph (94.75 km/h) |
| 65 mph (104.61 km/h) | 63.78 mph (102.64 km/h) |
| 70 mph (112.65 km/h) | 68.69 mph (110.54 km/h) |
| 75 mph (120.7 km/h) | 73.59 mph (118.44 km/h) |
| 80 mph (128.75 km/h) | 78.5 mph (126.33 km/h) |
| 85 mph (136.79 km/h) | 83.4 mph (134.23 km/h) |
| 90 mph (144.84 km/h) | 88.31 mph (142.12 km/h) |
| 95 mph (152.89 km/h) | 93.22 mph (150.02 km/h) |
| 100 mph (160.93 km/h) | 98.12 mph (157.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1608 | 1869 | 2012 | 2101 | 2197 | 2265 | 2341 | 2430 | 2553 | 2676 | 2813 | 2923 | 3121 | 3340 | 3511 | 3621 | 3682 | 3908 | 4223 | 4907 |
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