Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-13 | 205/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.65 (626.2) | 24.26 (616.3) | -0.39 (-9.9) -1.6% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 77.45 (1967.27) | 76.23 (1936.16) | -1.22 (-31.1) -1.6% |
| Sidewall Height inches (mm) | 5.83 (148) | 3.63 (92.25) | -2.19 (-55.75) -37.7% |
| Revolutions per mile (km) | 818.06 (508.32) | 831.2 (516.48) | 13.14 (8.17) 1.6% |
205/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.68 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.6 km/h) |
| 30 mph (48.28 km/h) | 29.53 mph (47.52 km/h) |
| 35 mph (56.33 km/h) | 34.45 mph (55.44 km/h) |
| 40 mph (64.37 km/h) | 39.37 mph (63.36 km/h) |
| 45 mph (72.42 km/h) | 44.29 mph (71.28 km/h) |
| 50 mph (80.47 km/h) | 49.21 mph (79.2 km/h) |
| 55 mph (88.51 km/h) | 54.13 mph (87.11 km/h) |
| 60 mph (96.56 km/h) | 59.05 mph (95.03 km/h) |
| 65 mph (104.61 km/h) | 63.97 mph (102.95 km/h) |
| 70 mph (112.65 km/h) | 68.89 mph (110.87 km/h) |
| 75 mph (120.7 km/h) | 73.81 mph (118.79 km/h) |
| 80 mph (128.75 km/h) | 78.74 mph (126.71 km/h) |
| 85 mph (136.79 km/h) | 83.66 mph (134.63 km/h) |
| 90 mph (144.84 km/h) | 88.58 mph (142.55 km/h) |
| 95 mph (152.89 km/h) | 93.5 mph (150.47 km/h) |
| 100 mph (160.93 km/h) | 98.42 mph (158.39 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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