Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 30.43 (773) | -14.84 (-377) -32.8% |
| Width inches (mm) | 17.52 (445) | 10.43 (265) | -7.09 (-180) -40.4% |
| Circum. inches (mm) | 142.24 (3612.83) | 95.61 (2428.45) | -46.63 (-1184.38) -32.8% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 5.22 (132.5) | -6.17 (-156.75) -54.2% |
| Revolutions per mile (km) | 445.45 (276.79) | 662.7 (411.78) | 217.25 (134.99) 48.8% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 13.44 mph (21.64 km/h) |
| 25 mph (40.23 km/h) | 16.8 mph (27.04 km/h) |
| 30 mph (48.28 km/h) | 20.17 mph (32.45 km/h) |
| 35 mph (56.33 km/h) | 23.53 mph (37.86 km/h) |
| 40 mph (64.37 km/h) | 26.89 mph (43.27 km/h) |
| 45 mph (72.42 km/h) | 30.25 mph (48.68 km/h) |
| 50 mph (80.47 km/h) | 33.61 mph (54.09 km/h) |
| 55 mph (88.51 km/h) | 36.97 mph (59.5 km/h) |
| 60 mph (96.56 km/h) | 40.33 mph (64.91 km/h) |
| 65 mph (104.61 km/h) | 43.69 mph (70.31 km/h) |
| 70 mph (112.65 km/h) | 47.05 mph (75.72 km/h) |
| 75 mph (120.7 km/h) | 50.41 mph (81.13 km/h) |
| 80 mph (128.75 km/h) | 53.77 mph (86.54 km/h) |
| 85 mph (136.79 km/h) | 57.13 mph (91.95 km/h) |
| 90 mph (144.84 km/h) | 60.5 mph (97.36 km/h) |
| 95 mph (152.89 km/h) | 63.86 mph (102.77 km/h) |
| 100 mph (160.93 km/h) | 67.22 mph (108.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1686 | 1959 | 2110 | 2203 | 2304 | 2375 | 2454 | 2548 | 2677 | 2806 | 2950 | 3064 | 3272 | 3502 | 3681 | 3796 | 3861 | 4098 | 4428 | 5145 |
Better Fuel Economy Factory Ratios Increased Power
