Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 225/45-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 21.97 (558.1) | 1 (25.4) 4.8% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 65.89 (1673.53) | 69.03 (1753.32) | 3.14 (79.8) 4.8% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 3.99 (101.25) | 0 (0) 0% |
| Revolutions per mile (km) | 961.65 (597.54) | 917.88 (570.34) | -43.77 (-27.19) -4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.15 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.58 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.01 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.44 km/h) |
| 45 mph (72.42 km/h) | 47.15 mph (75.87 km/h) |
| 50 mph (80.47 km/h) | 52.38 mph (84.3 km/h) |
| 55 mph (88.51 km/h) | 57.62 mph (92.73 km/h) |
| 60 mph (96.56 km/h) | 62.86 mph (101.17 km/h) |
| 65 mph (104.61 km/h) | 68.1 mph (109.6 km/h) |
| 70 mph (112.65 km/h) | 73.34 mph (118.03 km/h) |
| 75 mph (120.7 km/h) | 78.58 mph (126.46 km/h) |
| 80 mph (128.75 km/h) | 83.81 mph (134.89 km/h) |
| 85 mph (136.79 km/h) | 89.05 mph (143.32 km/h) |
| 90 mph (144.84 km/h) | 94.29 mph (151.75 km/h) |
| 95 mph (152.89 km/h) | 99.53 mph (160.18 km/h) |
| 100 mph (160.93 km/h) | 104.77 mph (168.61 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
