Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-20 | 275/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.81 (655.5) | 31.91 (810.5) | 6.1 (155) 23.6% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 81.08 (2059.31) | 100.25 (2546.26) | 19.17 (486.95) 23.6% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 5.95 (151.25) | 3.05 (77.5) 105.1% |
| Revolutions per mile (km) | 781.5 (485.6) | 632.04 (392.73) | -149.45 (-92.87) -19.1% |
275/55-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.73 mph (39.8 km/h) |
| 25 mph (40.23 km/h) | 30.91 mph (49.75 km/h) |
| 30 mph (48.28 km/h) | 37.09 mph (59.7 km/h) |
| 35 mph (56.33 km/h) | 43.28 mph (69.65 km/h) |
| 40 mph (64.37 km/h) | 49.46 mph (79.6 km/h) |
| 45 mph (72.42 km/h) | 55.64 mph (89.55 km/h) |
| 50 mph (80.47 km/h) | 61.82 mph (99.49 km/h) |
| 55 mph (88.51 km/h) | 68.01 mph (109.44 km/h) |
| 60 mph (96.56 km/h) | 74.19 mph (119.39 km/h) |
| 65 mph (104.61 km/h) | 80.37 mph (129.34 km/h) |
| 70 mph (112.65 km/h) | 86.55 mph (139.29 km/h) |
| 75 mph (120.7 km/h) | 92.73 mph (149.24 km/h) |
| 80 mph (128.75 km/h) | 98.92 mph (159.19 km/h) |
| 85 mph (136.79 km/h) | 105.1 mph (169.14 km/h) |
| 90 mph (144.84 km/h) | 111.28 mph (179.09 km/h) |
| 95 mph (152.89 km/h) | 117.46 mph (189.04 km/h) |
| 100 mph (160.93 km/h) | 123.65 mph (198.99 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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