Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 365/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 42.62 (1082.5) | -2.66 (-67.5) -5.9% |
| Width inches (mm) | 17.52 (445) | 14.37 (365) | -3.15 (-80) -18% |
| Circum. inches (mm) | 142.24 (3612.83) | 133.89 (3400.77) | -8.35 (-212.06) -5.9% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 10.06 (255.5) | -1.33 (-33.75) -11.7% |
| Revolutions per mile (km) | 445.45 (276.79) | 473.23 (294.05) | 27.78 (17.26) 6.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.83 mph (30.3 km/h) |
| 25 mph (40.23 km/h) | 23.53 mph (37.87 km/h) |
| 30 mph (48.28 km/h) | 28.24 mph (45.45 km/h) |
| 35 mph (56.33 km/h) | 32.95 mph (53.02 km/h) |
| 40 mph (64.37 km/h) | 37.65 mph (60.6 km/h) |
| 45 mph (72.42 km/h) | 42.36 mph (68.17 km/h) |
| 50 mph (80.47 km/h) | 47.07 mph (75.74 km/h) |
| 55 mph (88.51 km/h) | 51.77 mph (83.32 km/h) |
| 60 mph (96.56 km/h) | 56.48 mph (90.89 km/h) |
| 65 mph (104.61 km/h) | 61.18 mph (98.47 km/h) |
| 70 mph (112.65 km/h) | 65.89 mph (106.04 km/h) |
| 75 mph (120.7 km/h) | 70.6 mph (113.62 km/h) |
| 80 mph (128.75 km/h) | 75.3 mph (121.19 km/h) |
| 85 mph (136.79 km/h) | 80.01 mph (128.77 km/h) |
| 90 mph (144.84 km/h) | 84.72 mph (136.34 km/h) |
| 95 mph (152.89 km/h) | 89.42 mph (143.91 km/h) |
| 100 mph (160.93 km/h) | 94.13 mph (151.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1204 | 1399 | 1507 | 1573 | 1645 | 1696 | 1753 | 1819 | 1911 | 2004 | 2106 | 2188 | 2337 | 2501 | 2629 | 2711 | 2757 | 2926 | 3162 | 3674 |
Better Fuel Economy Factory Ratios Increased Power
