Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-20 | 275/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.26 (921) | 34.07 (865.5) | -2.19 (-55.5) -6% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 113.91 (2893.41) | 107.05 (2719.05) | -6.86 (-174.36) -6% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 7.04 (178.75) | -1.09 (-27.75) -13.4% |
| Revolutions per mile (km) | 556.21 (345.61) | 591.88 (367.78) | 35.67 (22.16) 6.4% |
275/65-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.25 km/h) |
| 25 mph (40.23 km/h) | 23.49 mph (37.81 km/h) |
| 30 mph (48.28 km/h) | 28.19 mph (45.37 km/h) |
| 35 mph (56.33 km/h) | 32.89 mph (52.93 km/h) |
| 40 mph (64.37 km/h) | 37.59 mph (60.49 km/h) |
| 45 mph (72.42 km/h) | 42.29 mph (68.06 km/h) |
| 50 mph (80.47 km/h) | 46.99 mph (75.62 km/h) |
| 55 mph (88.51 km/h) | 51.69 mph (83.18 km/h) |
| 60 mph (96.56 km/h) | 56.38 mph (90.74 km/h) |
| 65 mph (104.61 km/h) | 61.08 mph (98.3 km/h) |
| 70 mph (112.65 km/h) | 65.78 mph (105.87 km/h) |
| 75 mph (120.7 km/h) | 70.48 mph (113.43 km/h) |
| 80 mph (128.75 km/h) | 75.18 mph (120.99 km/h) |
| 85 mph (136.79 km/h) | 79.88 mph (128.55 km/h) |
| 90 mph (144.84 km/h) | 84.58 mph (136.11 km/h) |
| 95 mph (152.89 km/h) | 89.28 mph (143.67 km/h) |
| 100 mph (160.93 km/h) | 93.97 mph (151.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1506 | 1750 | 1884 | 1968 | 2057 | 2122 | 2192 | 2275 | 2391 | 2506 | 2634 | 2737 | 2923 | 3128 | 3288 | 3391 | 3448 | 3660 | 3955 | 4596 |
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