Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-16 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.89 (581.4) | 24.97 (634.3) | 2.08 (52.9) 9.1% |
| Width inches (mm) | 4.92 (125) | 8.86 (225) | 3.94 (100) 80% |
| Circum. inches (mm) | 71.91 (1826.52) | 78.45 (1992.71) | 6.54 (166.19) 9.1% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.99 (101.25) | 0.54 (13.75) 15.7% |
| Revolutions per mile (km) | 881.1 (547.49) | 807.61 (501.83) | -73.48 (-45.66) -8.3% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.82 mph (35.12 km/h) |
| 25 mph (40.23 km/h) | 27.27 mph (43.89 km/h) |
| 30 mph (48.28 km/h) | 32.73 mph (52.67 km/h) |
| 35 mph (56.33 km/h) | 38.18 mph (61.45 km/h) |
| 40 mph (64.37 km/h) | 43.64 mph (70.23 km/h) |
| 45 mph (72.42 km/h) | 49.09 mph (79.01 km/h) |
| 50 mph (80.47 km/h) | 54.55 mph (87.79 km/h) |
| 55 mph (88.51 km/h) | 60 mph (96.57 km/h) |
| 60 mph (96.56 km/h) | 65.46 mph (105.35 km/h) |
| 65 mph (104.61 km/h) | 70.91 mph (114.13 km/h) |
| 70 mph (112.65 km/h) | 76.37 mph (122.9 km/h) |
| 75 mph (120.7 km/h) | 81.82 mph (131.68 km/h) |
| 80 mph (128.75 km/h) | 87.28 mph (140.46 km/h) |
| 85 mph (136.79 km/h) | 92.73 mph (149.24 km/h) |
| 90 mph (144.84 km/h) | 98.19 mph (158.02 km/h) |
| 95 mph (152.89 km/h) | 103.64 mph (166.8 km/h) |
| 100 mph (160.93 km/h) | 109.1 mph (175.58 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
