Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-14 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 24.97 (634.3) | -0.33 (-8.3) -1.3% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 79.48 (2018.79) | 78.45 (1992.71) | -1.03 (-26.08) -1.3% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 3.99 (101.25) | -1.66 (-42.25) -29.4% |
| Revolutions per mile (km) | 797.18 (495.35) | 807.61 (501.83) | 10.43 (6.48) 1.3% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.77 km/h) |
| 25 mph (40.23 km/h) | 24.68 mph (39.71 km/h) |
| 30 mph (48.28 km/h) | 29.61 mph (47.66 km/h) |
| 35 mph (56.33 km/h) | 34.55 mph (55.6 km/h) |
| 40 mph (64.37 km/h) | 39.48 mph (63.54 km/h) |
| 45 mph (72.42 km/h) | 44.42 mph (71.49 km/h) |
| 50 mph (80.47 km/h) | 49.35 mph (79.43 km/h) |
| 55 mph (88.51 km/h) | 54.29 mph (87.37 km/h) |
| 60 mph (96.56 km/h) | 59.23 mph (95.31 km/h) |
| 65 mph (104.61 km/h) | 64.16 mph (103.26 km/h) |
| 70 mph (112.65 km/h) | 69.1 mph (111.2 km/h) |
| 75 mph (120.7 km/h) | 74.03 mph (119.14 km/h) |
| 80 mph (128.75 km/h) | 78.97 mph (127.08 km/h) |
| 85 mph (136.79 km/h) | 83.9 mph (135.03 km/h) |
| 90 mph (144.84 km/h) | 88.84 mph (142.97 km/h) |
| 95 mph (152.89 km/h) | 93.77 mph (150.91 km/h) |
| 100 mph (160.93 km/h) | 98.71 mph (158.86 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
