Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 445/90-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 41.54 (1055) | 16.24 (412.4) 64.2% |
| Width inches (mm) | 6.89 (175) | 17.52 (445) | 10.63 (270) 154.3% |
| Circum. inches (mm) | 79.48 (2018.79) | 130.49 (3314.38) | 51.01 (1295.59) 64.2% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 15.77 (400.5) | 10.12 (257) 179.1% |
| Revolutions per mile (km) | 797.18 (495.35) | 485.56 (301.71) | -311.62 (-193.63) -39.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 32.84 mph (52.84 km/h) |
| 25 mph (40.23 km/h) | 41.04 mph (66.05 km/h) |
| 30 mph (48.28 km/h) | 49.25 mph (79.27 km/h) |
| 35 mph (56.33 km/h) | 57.46 mph (92.48 km/h) |
| 40 mph (64.37 km/h) | 65.67 mph (105.69 km/h) |
| 45 mph (72.42 km/h) | 73.88 mph (118.9 km/h) |
| 50 mph (80.47 km/h) | 82.09 mph (132.11 km/h) |
| 55 mph (88.51 km/h) | 90.3 mph (145.32 km/h) |
| 60 mph (96.56 km/h) | 98.51 mph (158.53 km/h) |
| 65 mph (104.61 km/h) | 106.71 mph (171.74 km/h) |
| 70 mph (112.65 km/h) | 114.92 mph (184.95 km/h) |
| 75 mph (120.7 km/h) | 123.13 mph (198.16 km/h) |
| 80 mph (128.75 km/h) | 131.34 mph (211.37 km/h) |
| 85 mph (136.79 km/h) | 139.55 mph (224.58 km/h) |
| 90 mph (144.84 km/h) | 147.76 mph (237.8 km/h) |
| 95 mph (152.89 km/h) | 155.97 mph (251.01 km/h) |
| 100 mph (160.93 km/h) | 164.18 mph (264.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1236 | 1435 | 1546 | 1614 | 1688 | 1740 | 1798 | 1867 | 1961 | 2056 | 2161 | 2245 | 2398 | 2566 | 2697 | 2782 | 2829 | 3002 | 3244 | 3770 |
Better Fuel Economy Factory Ratios Increased Power
