Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/50-22.5 | 275/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 40.02 (1016.5) | 39.82 (1011.5) | -0.2 (-5) -0.5% |
| Width inches (mm) | 17.52 (445) | 10.83 (275) | -6.69 (-170) -38.2% |
| Circum. inches (mm) | 125.73 (3193.43) | 125.11 (3177.72) | -0.62 (-15.71) -0.5% |
| Sidewall Height inches (mm) | 8.76 (222.5) | 8.66 (220) | -0.1 (-2.5) -1.1% |
| Revolutions per mile (km) | 503.95 (313.14) | 506.45 (314.69) | 2.49 (1.55) 0.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.9 mph (32.03 km/h) |
| 25 mph (40.23 km/h) | 24.88 mph (40.04 km/h) |
| 30 mph (48.28 km/h) | 29.85 mph (48.04 km/h) |
| 35 mph (56.33 km/h) | 34.83 mph (56.05 km/h) |
| 40 mph (64.37 km/h) | 39.8 mph (64.06 km/h) |
| 45 mph (72.42 km/h) | 44.78 mph (72.06 km/h) |
| 50 mph (80.47 km/h) | 49.75 mph (80.07 km/h) |
| 55 mph (88.51 km/h) | 54.73 mph (88.08 km/h) |
| 60 mph (96.56 km/h) | 59.7 mph (96.09 km/h) |
| 65 mph (104.61 km/h) | 64.68 mph (104.09 km/h) |
| 70 mph (112.65 km/h) | 69.66 mph (112.1 km/h) |
| 75 mph (120.7 km/h) | 74.63 mph (120.11 km/h) |
| 80 mph (128.75 km/h) | 79.61 mph (128.11 km/h) |
| 85 mph (136.79 km/h) | 84.58 mph (136.12 km/h) |
| 90 mph (144.84 km/h) | 89.56 mph (144.13 km/h) |
| 95 mph (152.89 km/h) | 94.53 mph (152.14 km/h) |
| 100 mph (160.93 km/h) | 99.51 mph (160.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1289 | 1497 | 1612 | 1684 | 1760 | 1815 | 1876 | 1947 | 2046 | 2144 | 2254 | 2342 | 2501 | 2676 | 2813 | 2901 | 2951 | 3132 | 3384 | 3932 |
Better Fuel Economy Factory Ratios Increased Power
