Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-10 | 225/25-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.09 (434) | 22.43 (569.7) | 5.34 (135.7) 31.3% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 53.68 (1363.45) | 70.46 (1789.77) | 16.78 (426.31) 31.3% |
| Sidewall Height inches (mm) | 3.54 (90) | 2.21 (56.25) | -1.33 (-33.75) -37.5% |
| Revolutions per mile (km) | 1180.35 (733.43) | 899.19 (558.73) | -281.15 (-174.7) -23.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.25 mph (42.25 km/h) |
| 25 mph (40.23 km/h) | 32.82 mph (52.81 km/h) |
| 30 mph (48.28 km/h) | 39.38 mph (63.38 km/h) |
| 35 mph (56.33 km/h) | 45.94 mph (73.94 km/h) |
| 40 mph (64.37 km/h) | 52.51 mph (84.5 km/h) |
| 45 mph (72.42 km/h) | 59.07 mph (95.06 km/h) |
| 50 mph (80.47 km/h) | 65.63 mph (105.63 km/h) |
| 55 mph (88.51 km/h) | 72.2 mph (116.19 km/h) |
| 60 mph (96.56 km/h) | 78.76 mph (126.75 km/h) |
| 65 mph (104.61 km/h) | 85.32 mph (137.32 km/h) |
| 70 mph (112.65 km/h) | 91.89 mph (147.88 km/h) |
| 75 mph (120.7 km/h) | 98.45 mph (158.44 km/h) |
| 80 mph (128.75 km/h) | 105.01 mph (169 km/h) |
| 85 mph (136.79 km/h) | 111.58 mph (179.57 km/h) |
| 90 mph (144.84 km/h) | 118.14 mph (190.13 km/h) |
| 95 mph (152.89 km/h) | 124.7 mph (200.69 km/h) |
| 100 mph (160.93 km/h) | 131.27 mph (211.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2288 | 2658 | 2863 | 2989 | 3126 | 3223 | 3330 | 3457 | 3632 | 3807 | 4002 | 4158 | 4440 | 4752 | 4995 | 5151 | 5239 | 5560 | 6008 | 6982 |
Better Fuel Economy Factory Ratios Increased Power
