Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-10 | 225/40-25 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.09 (434) | 32.09 (815) | 15 (381) 87.8% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 53.68 (1363.45) | 100.8 (2560.4) | 47.12 (1196.95) 87.8% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.54 (90) | 0 (0) 0% |
| Revolutions per mile (km) | 1180.35 (733.43) | 628.55 (390.56) | -551.79 (-342.87) -46.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 37.56 mph (60.44 km/h) |
| 25 mph (40.23 km/h) | 46.95 mph (75.55 km/h) |
| 30 mph (48.28 km/h) | 56.34 mph (90.66 km/h) |
| 35 mph (56.33 km/h) | 65.73 mph (105.78 km/h) |
| 40 mph (64.37 km/h) | 75.12 mph (120.89 km/h) |
| 45 mph (72.42 km/h) | 84.5 mph (136 km/h) |
| 50 mph (80.47 km/h) | 93.89 mph (151.11 km/h) |
| 55 mph (88.51 km/h) | 103.28 mph (166.22 km/h) |
| 60 mph (96.56 km/h) | 112.67 mph (181.33 km/h) |
| 65 mph (104.61 km/h) | 122.06 mph (196.44 km/h) |
| 70 mph (112.65 km/h) | 131.45 mph (211.55 km/h) |
| 75 mph (120.7 km/h) | 140.84 mph (226.66 km/h) |
| 80 mph (128.75 km/h) | 150.23 mph (241.77 km/h) |
| 85 mph (136.79 km/h) | 159.62 mph (256.88 km/h) |
| 90 mph (144.84 km/h) | 169.01 mph (271.99 km/h) |
| 95 mph (152.89 km/h) | 178.4 mph (287.11 km/h) |
| 100 mph (160.93 km/h) | 187.79 mph (302.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1600 | 1858 | 2001 | 2090 | 2185 | 2253 | 2328 | 2416 | 2539 | 2661 | 2798 | 2906 | 3104 | 3322 | 3492 | 3601 | 3662 | 3887 | 4200 | 4880 |
Better Fuel Economy Factory Ratios Increased Power
