Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 395/85-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 48.94 (1243) | 3.66 (93) 8.1% |
| Width inches (mm) | 17.52 (445) | 15.55 (395) | -1.97 (-50) -11.2% |
| Circum. inches (mm) | 142.24 (3612.83) | 153.74 (3905) | 11.5 (292.17) 8.1% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 13.22 (335.75) | 1.83 (46.5) 16.1% |
| Revolutions per mile (km) | 445.45 (276.79) | 412.12 (256.08) | -33.33 (-20.71) -7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.62 mph (34.79 km/h) |
| 25 mph (40.23 km/h) | 27.02 mph (43.49 km/h) |
| 30 mph (48.28 km/h) | 32.43 mph (52.18 km/h) |
| 35 mph (56.33 km/h) | 37.83 mph (60.88 km/h) |
| 40 mph (64.37 km/h) | 43.23 mph (69.58 km/h) |
| 45 mph (72.42 km/h) | 48.64 mph (78.28 km/h) |
| 50 mph (80.47 km/h) | 54.04 mph (86.97 km/h) |
| 55 mph (88.51 km/h) | 59.45 mph (95.67 km/h) |
| 60 mph (96.56 km/h) | 64.85 mph (104.37 km/h) |
| 65 mph (104.61 km/h) | 70.26 mph (113.07 km/h) |
| 70 mph (112.65 km/h) | 75.66 mph (121.76 km/h) |
| 75 mph (120.7 km/h) | 81.07 mph (130.46 km/h) |
| 80 mph (128.75 km/h) | 86.47 mph (139.16 km/h) |
| 85 mph (136.79 km/h) | 91.87 mph (147.86 km/h) |
| 90 mph (144.84 km/h) | 97.28 mph (156.55 km/h) |
| 95 mph (152.89 km/h) | 102.68 mph (165.25 km/h) |
| 100 mph (160.93 km/h) | 108.09 mph (173.95 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
