Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 395/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 42.72 (1085) | -2.56 (-65) -5.7% |
| Width inches (mm) | 17.52 (445) | 15.55 (395) | -1.97 (-50) -11.2% |
| Circum. inches (mm) | 142.24 (3612.83) | 134.2 (3408.63) | -8.04 (-204.2) -5.7% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 10.11 (256.75) | -1.28 (-32.5) -11.2% |
| Revolutions per mile (km) | 445.45 (276.79) | 472.14 (293.37) | 26.69 (16.58) 6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.87 mph (30.37 km/h) |
| 25 mph (40.23 km/h) | 23.59 mph (37.96 km/h) |
| 30 mph (48.28 km/h) | 28.3 mph (45.55 km/h) |
| 35 mph (56.33 km/h) | 33.02 mph (53.14 km/h) |
| 40 mph (64.37 km/h) | 37.74 mph (60.74 km/h) |
| 45 mph (72.42 km/h) | 42.46 mph (68.33 km/h) |
| 50 mph (80.47 km/h) | 47.17 mph (75.92 km/h) |
| 55 mph (88.51 km/h) | 51.89 mph (83.51 km/h) |
| 60 mph (96.56 km/h) | 56.61 mph (91.1 km/h) |
| 65 mph (104.61 km/h) | 61.33 mph (98.69 km/h) |
| 70 mph (112.65 km/h) | 66.04 mph (106.29 km/h) |
| 75 mph (120.7 km/h) | 70.76 mph (113.88 km/h) |
| 80 mph (128.75 km/h) | 75.48 mph (121.47 km/h) |
| 85 mph (136.79 km/h) | 80.2 mph (129.06 km/h) |
| 90 mph (144.84 km/h) | 84.91 mph (136.65 km/h) |
| 95 mph (152.89 km/h) | 89.63 mph (144.25 km/h) |
| 100 mph (160.93 km/h) | 94.35 mph (151.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1202 | 1396 | 1503 | 1570 | 1641 | 1692 | 1749 | 1815 | 1907 | 1999 | 2101 | 2183 | 2331 | 2495 | 2623 | 2705 | 2751 | 2919 | 3155 | 3666 |
Better Fuel Economy Factory Ratios Increased Power
