Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-15 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.3 (668) | 24.97 (634.3) | -1.33 (-33.7) -5% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 82.62 (2098.58) | 78.45 (1992.71) | -4.17 (-105.87) -5% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 3.99 (101.25) | -1.66 (-42.25) -29.4% |
| Revolutions per mile (km) | 766.87 (476.51) | 807.61 (501.83) | 40.74 (25.32) 5.3% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.99 mph (30.56 km/h) |
| 25 mph (40.23 km/h) | 23.74 mph (38.2 km/h) |
| 30 mph (48.28 km/h) | 28.49 mph (45.84 km/h) |
| 35 mph (56.33 km/h) | 33.23 mph (53.49 km/h) |
| 40 mph (64.37 km/h) | 37.98 mph (61.13 km/h) |
| 45 mph (72.42 km/h) | 42.73 mph (68.77 km/h) |
| 50 mph (80.47 km/h) | 47.48 mph (76.41 km/h) |
| 55 mph (88.51 km/h) | 52.23 mph (84.05 km/h) |
| 60 mph (96.56 km/h) | 56.97 mph (91.69 km/h) |
| 65 mph (104.61 km/h) | 61.72 mph (99.33 km/h) |
| 70 mph (112.65 km/h) | 66.47 mph (106.97 km/h) |
| 75 mph (120.7 km/h) | 71.22 mph (114.61 km/h) |
| 80 mph (128.75 km/h) | 75.96 mph (122.25 km/h) |
| 85 mph (136.79 km/h) | 80.71 mph (129.89 km/h) |
| 90 mph (144.84 km/h) | 85.46 mph (137.53 km/h) |
| 95 mph (152.89 km/h) | 90.21 mph (145.17 km/h) |
| 100 mph (160.93 km/h) | 94.96 mph (152.82 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
