Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 260/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 31.26 (794) | 5.85 (148.5) 23% |
| Width inches (mm) | 10.83 (275) | 10.24 (260) | -0.59 (-15) -5.5% |
| Circum. inches (mm) | 79.84 (2027.9) | 98.21 (2494.42) | 18.37 (466.53) 23% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 5.63 (143) | 2.92 (74.25) 108% |
| Revolutions per mile (km) | 793.6 (493.12) | 645.18 (400.89) | -148.43 (-92.23) -18.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.6 mph (39.59 km/h) |
| 25 mph (40.23 km/h) | 30.75 mph (49.49 km/h) |
| 30 mph (48.28 km/h) | 36.9 mph (59.39 km/h) |
| 35 mph (56.33 km/h) | 43.05 mph (69.29 km/h) |
| 40 mph (64.37 km/h) | 49.2 mph (79.18 km/h) |
| 45 mph (72.42 km/h) | 55.35 mph (89.08 km/h) |
| 50 mph (80.47 km/h) | 61.5 mph (98.98 km/h) |
| 55 mph (88.51 km/h) | 67.65 mph (108.88 km/h) |
| 60 mph (96.56 km/h) | 73.8 mph (118.78 km/h) |
| 65 mph (104.61 km/h) | 79.95 mph (128.67 km/h) |
| 70 mph (112.65 km/h) | 86.1 mph (138.57 km/h) |
| 75 mph (120.7 km/h) | 92.25 mph (148.47 km/h) |
| 80 mph (128.75 km/h) | 98.4 mph (158.37 km/h) |
| 85 mph (136.79 km/h) | 104.55 mph (168.26 km/h) |
| 90 mph (144.84 km/h) | 110.7 mph (178.16 km/h) |
| 95 mph (152.89 km/h) | 116.86 mph (188.06 km/h) |
| 100 mph (160.93 km/h) | 123.01 mph (197.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1642 | 1907 | 2054 | 2145 | 2243 | 2313 | 2389 | 2480 | 2606 | 2732 | 2871 | 2983 | 3186 | 3409 | 3584 | 3696 | 3759 | 3989 | 4311 | 5009 |
Better Fuel Economy Factory Ratios Increased Power
