Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-17 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.89 (606.8) | 24.97 (634.3) | 1.08 (27.5) 4.5% |
| Width inches (mm) | 4.92 (125) | 8.86 (225) | 3.94 (100) 80% |
| Circum. inches (mm) | 75.05 (1906.32) | 78.45 (1992.71) | 3.4 (86.39) 4.5% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.99 (101.25) | 0.54 (13.75) 15.7% |
| Revolutions per mile (km) | 844.22 (524.57) | 807.61 (501.83) | -36.6 (-22.74) -4.3% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.91 mph (33.65 km/h) |
| 25 mph (40.23 km/h) | 26.13 mph (42.06 km/h) |
| 30 mph (48.28 km/h) | 31.36 mph (50.47 km/h) |
| 35 mph (56.33 km/h) | 36.59 mph (58.88 km/h) |
| 40 mph (64.37 km/h) | 41.81 mph (67.29 km/h) |
| 45 mph (72.42 km/h) | 47.04 mph (75.7 km/h) |
| 50 mph (80.47 km/h) | 52.27 mph (84.11 km/h) |
| 55 mph (88.51 km/h) | 57.49 mph (92.53 km/h) |
| 60 mph (96.56 km/h) | 62.72 mph (100.94 km/h) |
| 65 mph (104.61 km/h) | 67.95 mph (109.35 km/h) |
| 70 mph (112.65 km/h) | 73.17 mph (117.76 km/h) |
| 75 mph (120.7 km/h) | 78.4 mph (126.17 km/h) |
| 80 mph (128.75 km/h) | 83.63 mph (134.58 km/h) |
| 85 mph (136.79 km/h) | 88.85 mph (142.99 km/h) |
| 90 mph (144.84 km/h) | 94.08 mph (151.41 km/h) |
| 95 mph (152.89 km/h) | 99.31 mph (159.82 km/h) |
| 100 mph (160.93 km/h) | 104.53 mph (168.23 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
