Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 285/25-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 25.61 (650.5) | 0.2 (5) 0.8% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 79.84 (2027.9) | 80.46 (2043.61) | 0.62 (15.71) 0.8% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 2.81 (71.25) | 0.1 (2.5) 3.6% |
| Revolutions per mile (km) | 793.6 (493.12) | 787.5 (489.33) | -6.1 (-3.79) -0.8% |
285/25-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.15 mph (32.44 km/h) |
| 25 mph (40.23 km/h) | 25.19 mph (40.55 km/h) |
| 30 mph (48.28 km/h) | 30.23 mph (48.65 km/h) |
| 35 mph (56.33 km/h) | 35.27 mph (56.76 km/h) |
| 40 mph (64.37 km/h) | 40.31 mph (64.87 km/h) |
| 45 mph (72.42 km/h) | 45.35 mph (72.98 km/h) |
| 50 mph (80.47 km/h) | 50.39 mph (81.09 km/h) |
| 55 mph (88.51 km/h) | 55.43 mph (89.2 km/h) |
| 60 mph (96.56 km/h) | 60.46 mph (97.31 km/h) |
| 65 mph (104.61 km/h) | 65.5 mph (105.42 km/h) |
| 70 mph (112.65 km/h) | 70.54 mph (113.53 km/h) |
| 75 mph (120.7 km/h) | 75.58 mph (121.64 km/h) |
| 80 mph (128.75 km/h) | 80.62 mph (129.75 km/h) |
| 85 mph (136.79 km/h) | 85.66 mph (137.85 km/h) |
| 90 mph (144.84 km/h) | 90.7 mph (145.96 km/h) |
| 95 mph (152.89 km/h) | 95.74 mph (154.07 km/h) |
| 100 mph (160.93 km/h) | 100.77 mph (162.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | 2328 | 2507 | 2618 | 2737 | 2823 | 2917 | 3027 | 3181 | 3334 | 3505 | 3641 | 3889 | 4162 | 4375 | 4511 | 4588 | 4869 | 5262 | 6114 |
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