Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/70-14 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.6) | 24.97 (634.3) | -1.15 (-29.3) -4.4% |
| Width inches (mm) | 8.66 (220) | 8.86 (225) | 0.2 (5) 2.3% |
| Circum. inches (mm) | 82.08 (2084.76) | 78.45 (1992.71) | -3.62 (-92.05) -4.4% |
| Sidewall Height inches (mm) | 6.06 (154) | 3.99 (101.25) | -2.08 (-52.75) -34.3% |
| Revolutions per mile (km) | 771.96 (479.67) | 807.61 (501.83) | 35.66 (22.16) 4.6% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.12 mph (30.77 km/h) |
| 25 mph (40.23 km/h) | 23.9 mph (38.46 km/h) |
| 30 mph (48.28 km/h) | 28.68 mph (46.15 km/h) |
| 35 mph (56.33 km/h) | 33.45 mph (53.84 km/h) |
| 40 mph (64.37 km/h) | 38.23 mph (61.53 km/h) |
| 45 mph (72.42 km/h) | 43.01 mph (69.22 km/h) |
| 50 mph (80.47 km/h) | 47.79 mph (76.91 km/h) |
| 55 mph (88.51 km/h) | 52.57 mph (84.61 km/h) |
| 60 mph (96.56 km/h) | 57.35 mph (92.3 km/h) |
| 65 mph (104.61 km/h) | 62.13 mph (99.99 km/h) |
| 70 mph (112.65 km/h) | 66.91 mph (107.68 km/h) |
| 75 mph (120.7 km/h) | 71.69 mph (115.37 km/h) |
| 80 mph (128.75 km/h) | 76.47 mph (123.06 km/h) |
| 85 mph (136.79 km/h) | 81.25 mph (130.75 km/h) |
| 90 mph (144.84 km/h) | 86.03 mph (138.45 km/h) |
| 95 mph (152.89 km/h) | 90.81 mph (146.14 km/h) |
| 100 mph (160.93 km/h) | 95.58 mph (153.83 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
