Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 425/75-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 47.6 (1209) | 2.32 (59) 5.1% |
| Width inches (mm) | 17.52 (445) | 16.73 (425) | -0.79 (-20) -4.5% |
| Circum. inches (mm) | 142.24 (3612.83) | 149.53 (3798.19) | 7.3 (185.35) 5.1% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 12.55 (318.75) | 1.16 (29.5) 10.2% |
| Revolutions per mile (km) | 445.45 (276.79) | 423.71 (263.28) | -21.74 (-13.51) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.84 km/h) |
| 25 mph (40.23 km/h) | 26.28 mph (42.3 km/h) |
| 30 mph (48.28 km/h) | 31.54 mph (50.76 km/h) |
| 35 mph (56.33 km/h) | 36.8 mph (59.22 km/h) |
| 40 mph (64.37 km/h) | 42.05 mph (67.68 km/h) |
| 45 mph (72.42 km/h) | 47.31 mph (76.14 km/h) |
| 50 mph (80.47 km/h) | 52.57 mph (84.6 km/h) |
| 55 mph (88.51 km/h) | 57.82 mph (93.06 km/h) |
| 60 mph (96.56 km/h) | 63.08 mph (101.51 km/h) |
| 65 mph (104.61 km/h) | 68.33 mph (109.97 km/h) |
| 70 mph (112.65 km/h) | 73.59 mph (118.43 km/h) |
| 75 mph (120.7 km/h) | 78.85 mph (126.89 km/h) |
| 80 mph (128.75 km/h) | 84.1 mph (135.35 km/h) |
| 85 mph (136.79 km/h) | 89.36 mph (143.81 km/h) |
| 90 mph (144.84 km/h) | 94.62 mph (152.27 km/h) |
| 95 mph (152.89 km/h) | 99.87 mph (160.73 km/h) |
| 100 mph (160.93 km/h) | 105.13 mph (169.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
