Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 260/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 34.33 (872) | 8.92 (226.5) 35.1% |
| Width inches (mm) | 10.83 (275) | 10.24 (260) | -0.59 (-15) -5.5% |
| Circum. inches (mm) | 79.84 (2027.9) | 107.85 (2739.47) | 28.01 (711.57) 35.1% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 7.17 (182) | 4.46 (113.25) 164.7% |
| Revolutions per mile (km) | 793.6 (493.12) | 587.47 (365.03) | -206.14 (-128.09) -26% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.02 mph (43.48 km/h) |
| 25 mph (40.23 km/h) | 33.77 mph (54.35 km/h) |
| 30 mph (48.28 km/h) | 40.53 mph (65.22 km/h) |
| 35 mph (56.33 km/h) | 47.28 mph (76.09 km/h) |
| 40 mph (64.37 km/h) | 54.04 mph (86.96 km/h) |
| 45 mph (72.42 km/h) | 60.79 mph (97.83 km/h) |
| 50 mph (80.47 km/h) | 67.54 mph (108.7 km/h) |
| 55 mph (88.51 km/h) | 74.3 mph (119.57 km/h) |
| 60 mph (96.56 km/h) | 81.05 mph (130.44 km/h) |
| 65 mph (104.61 km/h) | 87.81 mph (141.31 km/h) |
| 70 mph (112.65 km/h) | 94.56 mph (152.18 km/h) |
| 75 mph (120.7 km/h) | 101.32 mph (163.05 km/h) |
| 80 mph (128.75 km/h) | 108.07 mph (173.92 km/h) |
| 85 mph (136.79 km/h) | 114.83 mph (184.79 km/h) |
| 90 mph (144.84 km/h) | 121.58 mph (195.66 km/h) |
| 95 mph (152.89 km/h) | 128.33 mph (206.53 km/h) |
| 100 mph (160.93 km/h) | 135.09 mph (217.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1495 | 1737 | 1870 | 1953 | 2042 | 2106 | 2176 | 2258 | 2373 | 2487 | 2615 | 2716 | 2901 | 3104 | 3264 | 3365 | 3423 | 3633 | 3925 | 4561 |
Better Fuel Economy Factory Ratios Increased Power
