Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/45-15 | 225/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.26 (565.5) | 22.97 (583.5) | 0.71 (18) 3.2% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 69.94 (1776.57) | 72.17 (1833.12) | 2.23 (56.55) 3.2% |
| Sidewall Height inches (mm) | 3.63 (92.25) | 3.99 (101.25) | 0.35 (9) 9.8% |
| Revolutions per mile (km) | 905.87 (562.88) | 877.93 (545.52) | -27.94 (-17.36) -3.1% |
225/45-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.64 mph (33.21 km/h) |
| 25 mph (40.23 km/h) | 25.8 mph (41.51 km/h) |
| 30 mph (48.28 km/h) | 30.95 mph (49.82 km/h) |
| 35 mph (56.33 km/h) | 36.11 mph (58.12 km/h) |
| 40 mph (64.37 km/h) | 41.27 mph (66.42 km/h) |
| 45 mph (72.42 km/h) | 46.43 mph (74.73 km/h) |
| 50 mph (80.47 km/h) | 51.59 mph (83.03 km/h) |
| 55 mph (88.51 km/h) | 56.75 mph (91.33 km/h) |
| 60 mph (96.56 km/h) | 61.91 mph (99.63 km/h) |
| 65 mph (104.61 km/h) | 67.07 mph (107.94 km/h) |
| 70 mph (112.65 km/h) | 72.23 mph (116.24 km/h) |
| 75 mph (120.7 km/h) | 77.39 mph (124.54 km/h) |
| 80 mph (128.75 km/h) | 82.55 mph (132.85 km/h) |
| 85 mph (136.79 km/h) | 87.71 mph (141.15 km/h) |
| 90 mph (144.84 km/h) | 92.86 mph (149.45 km/h) |
| 95 mph (152.89 km/h) | 98.02 mph (157.75 km/h) |
| 100 mph (160.93 km/h) | 103.18 mph (166.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2234 | 2595 | 2795 | 2919 | 3052 | 3147 | 3251 | 3375 | 3546 | 3717 | 3907 | 4060 | 4335 | 4639 | 4877 | 5029 | 5115 | 5429 | 5866 | 6817 |
Better Fuel Economy Factory Ratios Increased Power
