Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/55-17 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.88 (657.3) | 24.97 (634.3) | -0.91 (-23) -3.5% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 81.3 (2064.97) | 78.45 (1992.71) | -2.84 (-72.26) -3.5% |
| Sidewall Height inches (mm) | 4.44 (112.75) | 3.99 (101.25) | -0.45 (-11.5) -10.2% |
| Revolutions per mile (km) | 779.36 (484.27) | 807.61 (501.83) | 28.26 (17.56) 3.6% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.06 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.83 km/h) |
| 30 mph (48.28 km/h) | 28.95 mph (46.59 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.36 km/h) |
| 40 mph (64.37 km/h) | 38.6 mph (62.12 km/h) |
| 45 mph (72.42 km/h) | 43.43 mph (69.89 km/h) |
| 50 mph (80.47 km/h) | 48.25 mph (77.65 km/h) |
| 55 mph (88.51 km/h) | 53.08 mph (85.42 km/h) |
| 60 mph (96.56 km/h) | 57.9 mph (93.18 km/h) |
| 65 mph (104.61 km/h) | 62.73 mph (100.95 km/h) |
| 70 mph (112.65 km/h) | 67.55 mph (108.71 km/h) |
| 75 mph (120.7 km/h) | 72.38 mph (116.48 km/h) |
| 80 mph (128.75 km/h) | 77.2 mph (124.24 km/h) |
| 85 mph (136.79 km/h) | 82.03 mph (132.01 km/h) |
| 90 mph (144.84 km/h) | 86.85 mph (139.77 km/h) |
| 95 mph (152.89 km/h) | 91.68 mph (147.54 km/h) |
| 100 mph (160.93 km/h) | 96.5 mph (155.3 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
