Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-19 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.89 (657.6) | 24.97 (634.3) | -0.92 (-23.3) -3.5% |
| Width inches (mm) | 4.92 (125) | 8.86 (225) | 3.94 (100) 80% |
| Circum. inches (mm) | 81.34 (2065.91) | 78.45 (1992.71) | -2.88 (-73.2) -3.5% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.99 (101.25) | 0.54 (13.75) 15.7% |
| Revolutions per mile (km) | 779 (484.05) | 807.61 (501.83) | 28.62 (17.78) 3.7% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.05 km/h) |
| 25 mph (40.23 km/h) | 24.11 mph (38.81 km/h) |
| 30 mph (48.28 km/h) | 28.94 mph (46.57 km/h) |
| 35 mph (56.33 km/h) | 33.76 mph (54.33 km/h) |
| 40 mph (64.37 km/h) | 38.58 mph (62.09 km/h) |
| 45 mph (72.42 km/h) | 43.41 mph (69.85 km/h) |
| 50 mph (80.47 km/h) | 48.23 mph (77.62 km/h) |
| 55 mph (88.51 km/h) | 53.05 mph (85.38 km/h) |
| 60 mph (96.56 km/h) | 57.87 mph (93.14 km/h) |
| 65 mph (104.61 km/h) | 62.7 mph (100.9 km/h) |
| 70 mph (112.65 km/h) | 67.52 mph (108.66 km/h) |
| 75 mph (120.7 km/h) | 72.34 mph (116.42 km/h) |
| 80 mph (128.75 km/h) | 77.17 mph (124.19 km/h) |
| 85 mph (136.79 km/h) | 81.99 mph (131.95 km/h) |
| 90 mph (144.84 km/h) | 86.81 mph (139.71 km/h) |
| 95 mph (152.89 km/h) | 91.63 mph (147.47 km/h) |
| 100 mph (160.93 km/h) | 96.46 mph (155.23 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 |
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