Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-15 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 24.97 (634.3) | 2 (50.8) 8.7% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 72.17 (1833.12) | 78.45 (1992.71) | 6.28 (159.59) 8.7% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 3.99 (101.25) | 0 (0) 0% |
| Revolutions per mile (km) | 877.93 (545.52) | 807.61 (501.83) | -70.31 (-43.69) -8% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.74 mph (34.99 km/h) |
| 25 mph (40.23 km/h) | 27.18 mph (43.74 km/h) |
| 30 mph (48.28 km/h) | 32.61 mph (52.48 km/h) |
| 35 mph (56.33 km/h) | 38.05 mph (61.23 km/h) |
| 40 mph (64.37 km/h) | 43.48 mph (69.98 km/h) |
| 45 mph (72.42 km/h) | 48.92 mph (78.73 km/h) |
| 50 mph (80.47 km/h) | 54.35 mph (87.47 km/h) |
| 55 mph (88.51 km/h) | 59.79 mph (96.22 km/h) |
| 60 mph (96.56 km/h) | 65.22 mph (104.97 km/h) |
| 65 mph (104.61 km/h) | 70.66 mph (113.71 km/h) |
| 70 mph (112.65 km/h) | 76.09 mph (122.46 km/h) |
| 75 mph (120.7 km/h) | 81.53 mph (131.21 km/h) |
| 80 mph (128.75 km/h) | 86.96 mph (139.96 km/h) |
| 85 mph (136.79 km/h) | 92.4 mph (148.7 km/h) |
| 90 mph (144.84 km/h) | 97.84 mph (157.45 km/h) |
| 95 mph (152.89 km/h) | 103.27 mph (166.2 km/h) |
| 100 mph (160.93 km/h) | 108.71 mph (174.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2055 | 2388 | 2571 | 2685 | 2807 | 2895 | 2991 | 3105 | 3262 | 3420 | 3594 | 3734 | 3988 | 4268 | 4487 | 4626 | 4705 | 4994 | 5396 | 6271 |
Better Fuel Economy Factory Ratios Increased Power
