Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16 | 445/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.47 (773.9) | 45.78 (1162.9) | 15.31 (389) 50.3% |
| Width inches (mm) | 9.65 (245) | 17.52 (445) | 7.87 (200) 81.6% |
| Circum. inches (mm) | 95.72 (2431.28) | 143.83 (3653.36) | 48.11 (1222.08) 50.3% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 14.89 (378.25) | 7.66 (194.5) 105.9% |
| Revolutions per mile (km) | 661.93 (411.31) | 440.51 (273.72) | -221.42 (-137.59) -33.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 30.05 mph (48.37 km/h) |
| 25 mph (40.23 km/h) | 37.57 mph (60.46 km/h) |
| 30 mph (48.28 km/h) | 45.08 mph (72.55 km/h) |
| 35 mph (56.33 km/h) | 52.59 mph (84.64 km/h) |
| 40 mph (64.37 km/h) | 60.11 mph (96.73 km/h) |
| 45 mph (72.42 km/h) | 67.62 mph (108.82 km/h) |
| 50 mph (80.47 km/h) | 75.13 mph (120.91 km/h) |
| 55 mph (88.51 km/h) | 82.65 mph (133.01 km/h) |
| 60 mph (96.56 km/h) | 90.16 mph (145.1 km/h) |
| 65 mph (104.61 km/h) | 97.67 mph (157.19 km/h) |
| 70 mph (112.65 km/h) | 105.19 mph (169.28 km/h) |
| 75 mph (120.7 km/h) | 112.7 mph (181.37 km/h) |
| 80 mph (128.75 km/h) | 120.21 mph (193.46 km/h) |
| 85 mph (136.79 km/h) | 127.73 mph (205.55 km/h) |
| 90 mph (144.84 km/h) | 135.24 mph (217.65 km/h) |
| 95 mph (152.89 km/h) | 142.75 mph (229.74 km/h) |
| 100 mph (160.93 km/h) | 150.26 mph (241.83 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
