Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-15 | 205/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.89 (556) | 24.26 (616.3) | 2.37 (60.3) 10.8% |
| Width inches (mm) | 4.92 (125) | 8.07 (205) | 3.15 (80) 64% |
| Circum. inches (mm) | 68.77 (1746.73) | 76.23 (1936.16) | 7.46 (189.44) 10.8% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.63 (92.25) | 0.19 (4.75) 5.4% |
| Revolutions per mile (km) | 921.35 (572.5) | 831.2 (516.48) | -90.15 (-56.01) -9.8% |
205/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.17 mph (35.68 km/h) |
| 25 mph (40.23 km/h) | 27.71 mph (44.6 km/h) |
| 30 mph (48.28 km/h) | 33.25 mph (53.52 km/h) |
| 35 mph (56.33 km/h) | 38.8 mph (62.44 km/h) |
| 40 mph (64.37 km/h) | 44.34 mph (71.36 km/h) |
| 45 mph (72.42 km/h) | 49.88 mph (80.27 km/h) |
| 50 mph (80.47 km/h) | 55.42 mph (89.19 km/h) |
| 55 mph (88.51 km/h) | 60.96 mph (98.11 km/h) |
| 60 mph (96.56 km/h) | 66.51 mph (107.03 km/h) |
| 65 mph (104.61 km/h) | 72.05 mph (115.95 km/h) |
| 70 mph (112.65 km/h) | 77.59 mph (124.87 km/h) |
| 75 mph (120.7 km/h) | 83.13 mph (133.79 km/h) |
| 80 mph (128.75 km/h) | 88.68 mph (142.71 km/h) |
| 85 mph (136.79 km/h) | 94.22 mph (151.63 km/h) |
| 90 mph (144.84 km/h) | 99.76 mph (160.55 km/h) |
| 95 mph (152.89 km/h) | 105.3 mph (169.47 km/h) |
| 100 mph (160.93 km/h) | 110.85 mph (178.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2115 | 2457 | 2646 | 2763 | 2889 | 2979 | 3078 | 3195 | 3357 | 3519 | 3699 | 3843 | 4104 | 4393 | 4618 | 4762 | 4843 | 5140 | 5554 | 6454 |
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