Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 24.97 (634.3) | 2.53 (64.3) 11.3% |
| Width inches (mm) | 5.31 (135) | 8.86 (225) | 3.54 (90) 66.7% |
| Circum. inches (mm) | 70.5 (1790.71) | 78.45 (1992.71) | 7.95 (202) 11.3% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.99 (101.25) | 0.27 (6.75) 7.1% |
| Revolutions per mile (km) | 898.72 (558.44) | 807.61 (501.83) | -91.1 (-56.61) -10.1% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.26 mph (35.82 km/h) |
| 25 mph (40.23 km/h) | 27.82 mph (44.77 km/h) |
| 30 mph (48.28 km/h) | 33.38 mph (53.73 km/h) |
| 35 mph (56.33 km/h) | 38.95 mph (62.68 km/h) |
| 40 mph (64.37 km/h) | 44.51 mph (71.64 km/h) |
| 45 mph (72.42 km/h) | 50.08 mph (80.59 km/h) |
| 50 mph (80.47 km/h) | 55.64 mph (89.54 km/h) |
| 55 mph (88.51 km/h) | 61.2 mph (98.5 km/h) |
| 60 mph (96.56 km/h) | 66.77 mph (107.45 km/h) |
| 65 mph (104.61 km/h) | 72.33 mph (116.41 km/h) |
| 70 mph (112.65 km/h) | 77.9 mph (125.36 km/h) |
| 75 mph (120.7 km/h) | 83.46 mph (134.32 km/h) |
| 80 mph (128.75 km/h) | 89.02 mph (143.27 km/h) |
| 85 mph (136.79 km/h) | 94.59 mph (152.23 km/h) |
| 90 mph (144.84 km/h) | 100.15 mph (161.18 km/h) |
| 95 mph (152.89 km/h) | 105.72 mph (170.13 km/h) |
| 100 mph (160.93 km/h) | 111.28 mph (179.09 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
