Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-14 | 250/40-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.6) | 21.87 (555.6) | 0.79 (20) 3.7% |
| Width inches (mm) | 8.86 (225) | 9.84 (250) | 0.98 (25) 11.1% |
| Circum. inches (mm) | 66.25 (1682.64) | 68.72 (1745.47) | 2.47 (62.83) 3.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.94 (100) | 0.39 (10) 11.1% |
| Revolutions per mile (km) | 956.44 (594.3) | 922.01 (572.91) | -34.43 (-21.39) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.75 mph (33.39 km/h) |
| 25 mph (40.23 km/h) | 25.93 mph (41.74 km/h) |
| 30 mph (48.28 km/h) | 31.12 mph (50.08 km/h) |
| 35 mph (56.33 km/h) | 36.31 mph (58.43 km/h) |
| 40 mph (64.37 km/h) | 41.49 mph (66.78 km/h) |
| 45 mph (72.42 km/h) | 46.68 mph (75.12 km/h) |
| 50 mph (80.47 km/h) | 51.87 mph (83.47 km/h) |
| 55 mph (88.51 km/h) | 57.05 mph (91.82 km/h) |
| 60 mph (96.56 km/h) | 62.24 mph (100.17 km/h) |
| 65 mph (104.61 km/h) | 67.43 mph (108.51 km/h) |
| 70 mph (112.65 km/h) | 72.61 mph (116.86 km/h) |
| 75 mph (120.7 km/h) | 77.8 mph (125.21 km/h) |
| 80 mph (128.75 km/h) | 82.99 mph (133.56 km/h) |
| 85 mph (136.79 km/h) | 88.17 mph (141.9 km/h) |
| 90 mph (144.84 km/h) | 93.36 mph (150.25 km/h) |
| 95 mph (152.89 km/h) | 98.55 mph (158.6 km/h) |
| 100 mph (160.93 km/h) | 103.73 mph (166.94 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
