Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-15 | 225/45-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.07 (586) | 22.97 (583.5) | -0.1 (-2.5) -0.4% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 72.48 (1840.97) | 72.17 (1833.12) | -0.31 (-7.85) -0.4% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 3.99 (101.25) | -0.05 (-1.25) -1.2% |
| Revolutions per mile (km) | 874.18 (543.19) | 877.93 (545.52) | 3.75 (2.33) 0.4% |
225/45-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.91 mph (32.05 km/h) |
| 25 mph (40.23 km/h) | 24.89 mph (40.06 km/h) |
| 30 mph (48.28 km/h) | 29.87 mph (48.07 km/h) |
| 35 mph (56.33 km/h) | 34.85 mph (56.09 km/h) |
| 40 mph (64.37 km/h) | 39.83 mph (64.1 km/h) |
| 45 mph (72.42 km/h) | 44.81 mph (72.11 km/h) |
| 50 mph (80.47 km/h) | 49.79 mph (80.12 km/h) |
| 55 mph (88.51 km/h) | 54.77 mph (88.14 km/h) |
| 60 mph (96.56 km/h) | 59.74 mph (96.15 km/h) |
| 65 mph (104.61 km/h) | 64.72 mph (104.16 km/h) |
| 70 mph (112.65 km/h) | 69.7 mph (112.17 km/h) |
| 75 mph (120.7 km/h) | 74.68 mph (120.19 km/h) |
| 80 mph (128.75 km/h) | 79.66 mph (128.2 km/h) |
| 85 mph (136.79 km/h) | 84.64 mph (136.21 km/h) |
| 90 mph (144.84 km/h) | 89.62 mph (144.22 km/h) |
| 95 mph (152.89 km/h) | 94.59 mph (152.24 km/h) |
| 100 mph (160.93 km/h) | 99.57 mph (160.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
