Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 275/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 37.66 (956.5) | -7.62 (-193.5) -16.8% |
| Width inches (mm) | 17.52 (445) | 10.83 (275) | -6.69 (-170) -38.2% |
| Circum. inches (mm) | 142.24 (3612.83) | 118.3 (3004.93) | -23.93 (-607.9) -16.8% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 7.58 (192.5) | -3.81 (-96.75) -33.4% |
| Revolutions per mile (km) | 445.45 (276.79) | 535.57 (332.79) | 90.12 (55.99) 20.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.63 mph (26.77 km/h) |
| 25 mph (40.23 km/h) | 20.79 mph (33.46 km/h) |
| 30 mph (48.28 km/h) | 24.95 mph (40.16 km/h) |
| 35 mph (56.33 km/h) | 29.11 mph (46.85 km/h) |
| 40 mph (64.37 km/h) | 33.27 mph (53.54 km/h) |
| 45 mph (72.42 km/h) | 37.43 mph (60.24 km/h) |
| 50 mph (80.47 km/h) | 41.59 mph (66.93 km/h) |
| 55 mph (88.51 km/h) | 45.75 mph (73.62 km/h) |
| 60 mph (96.56 km/h) | 49.9 mph (80.31 km/h) |
| 65 mph (104.61 km/h) | 54.06 mph (87.01 km/h) |
| 70 mph (112.65 km/h) | 58.22 mph (93.7 km/h) |
| 75 mph (120.7 km/h) | 62.38 mph (100.39 km/h) |
| 80 mph (128.75 km/h) | 66.54 mph (107.08 km/h) |
| 85 mph (136.79 km/h) | 70.7 mph (113.78 km/h) |
| 90 mph (144.84 km/h) | 74.86 mph (120.47 km/h) |
| 95 mph (152.89 km/h) | 79.02 mph (127.16 km/h) |
| 100 mph (160.93 km/h) | 83.17 mph (133.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1363 | 1583 | 1705 | 1780 | 1862 | 1920 | 1983 | 2059 | 2163 | 2268 | 2384 | 2476 | 2645 | 2830 | 2975 | 3068 | 3120 | 3312 | 3578 | 4158 |
Better Fuel Economy Factory Ratios Increased Power
