Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-17 | 205/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.28 (616.8) | 24.26 (616.3) | -0.02 (-0.5) -0.1% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 76.29 (1937.73) | 76.23 (1936.16) | -0.06 (-1.57) -0.1% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 3.63 (92.25) | -0.01 (-0.25) -0.3% |
| Revolutions per mile (km) | 830.53 (516.07) | 831.2 (516.48) | 0.67 (0.42) 0.1% |
205/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.98 mph (32.16 km/h) |
| 25 mph (40.23 km/h) | 24.98 mph (40.2 km/h) |
| 30 mph (48.28 km/h) | 29.98 mph (48.24 km/h) |
| 35 mph (56.33 km/h) | 34.97 mph (56.28 km/h) |
| 40 mph (64.37 km/h) | 39.97 mph (64.32 km/h) |
| 45 mph (72.42 km/h) | 44.96 mph (72.36 km/h) |
| 50 mph (80.47 km/h) | 49.96 mph (80.4 km/h) |
| 55 mph (88.51 km/h) | 54.96 mph (88.44 km/h) |
| 60 mph (96.56 km/h) | 59.95 mph (96.48 km/h) |
| 65 mph (104.61 km/h) | 64.95 mph (104.52 km/h) |
| 70 mph (112.65 km/h) | 69.94 mph (112.56 km/h) |
| 75 mph (120.7 km/h) | 74.94 mph (120.6 km/h) |
| 80 mph (128.75 km/h) | 79.94 mph (128.64 km/h) |
| 85 mph (136.79 km/h) | 84.93 mph (136.68 km/h) |
| 90 mph (144.84 km/h) | 89.93 mph (144.72 km/h) |
| 95 mph (152.89 km/h) | 94.92 mph (152.76 km/h) |
| 100 mph (160.93 km/h) | 99.92 mph (160.8 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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