Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/50-22.5 | 255/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 40.02 (1016.5) | 36.56 (928.5) | -3.46 (-88) -8.7% |
| Width inches (mm) | 17.52 (445) | 10.04 (255) | -7.48 (-190) -42.7% |
| Circum. inches (mm) | 125.73 (3193.43) | 114.84 (2916.97) | -10.88 (-276.46) -8.7% |
| Sidewall Height inches (mm) | 8.76 (222.5) | 7.03 (178.5) | -1.73 (-44) -19.8% |
| Revolutions per mile (km) | 503.95 (313.14) | 551.72 (342.82) | 47.76 (29.68) 9.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.27 mph (29.4 km/h) |
| 25 mph (40.23 km/h) | 22.84 mph (36.75 km/h) |
| 30 mph (48.28 km/h) | 27.4 mph (44.1 km/h) |
| 35 mph (56.33 km/h) | 31.97 mph (51.45 km/h) |
| 40 mph (64.37 km/h) | 36.54 mph (58.8 km/h) |
| 45 mph (72.42 km/h) | 41.1 mph (66.15 km/h) |
| 50 mph (80.47 km/h) | 45.67 mph (73.5 km/h) |
| 55 mph (88.51 km/h) | 50.24 mph (80.85 km/h) |
| 60 mph (96.56 km/h) | 54.81 mph (88.2 km/h) |
| 65 mph (104.61 km/h) | 59.37 mph (95.55 km/h) |
| 70 mph (112.65 km/h) | 63.94 mph (102.9 km/h) |
| 75 mph (120.7 km/h) | 68.51 mph (110.25 km/h) |
| 80 mph (128.75 km/h) | 73.07 mph (117.6 km/h) |
| 85 mph (136.79 km/h) | 77.64 mph (124.95 km/h) |
| 90 mph (144.84 km/h) | 82.21 mph (132.3 km/h) |
| 95 mph (152.89 km/h) | 86.78 mph (139.65 km/h) |
| 100 mph (160.93 km/h) | 91.34 mph (147 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1404 | 1631 | 1757 | 1834 | 1918 | 1978 | 2043 | 2121 | 2229 | 2336 | 2456 | 2551 | 2724 | 2916 | 3065 | 3161 | 3214 | 3411 | 3686 | 4284 |
Better Fuel Economy Factory Ratios Increased Power
