Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/30-20 | 205/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.31 (643) | 24.88 (631.9) | -0.44 (-11.1) -1.7% |
| Width inches (mm) | 8.86 (225) | 8.07 (205) | -0.79 (-20) -8.9% |
| Circum. inches (mm) | 79.53 (2020.04) | 78.16 (1985.17) | -1.37 (-34.87) -1.7% |
| Sidewall Height inches (mm) | 2.66 (67.5) | 4.44 (112.75) | 1.78 (45.25) 67% |
| Revolutions per mile (km) | 796.69 (495.04) | 810.68 (503.73) | 13.99 (8.7) 1.8% |
205/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.65 mph (31.63 km/h) |
| 25 mph (40.23 km/h) | 24.57 mph (39.54 km/h) |
| 30 mph (48.28 km/h) | 29.48 mph (47.45 km/h) |
| 35 mph (56.33 km/h) | 34.4 mph (55.35 km/h) |
| 40 mph (64.37 km/h) | 39.31 mph (63.26 km/h) |
| 45 mph (72.42 km/h) | 44.22 mph (71.17 km/h) |
| 50 mph (80.47 km/h) | 49.14 mph (79.08 km/h) |
| 55 mph (88.51 km/h) | 54.05 mph (86.99 km/h) |
| 60 mph (96.56 km/h) | 58.96 mph (94.89 km/h) |
| 65 mph (104.61 km/h) | 63.88 mph (102.8 km/h) |
| 70 mph (112.65 km/h) | 68.79 mph (110.71 km/h) |
| 75 mph (120.7 km/h) | 73.71 mph (118.62 km/h) |
| 80 mph (128.75 km/h) | 78.62 mph (126.53 km/h) |
| 85 mph (136.79 km/h) | 83.53 mph (134.43 km/h) |
| 90 mph (144.84 km/h) | 88.45 mph (142.34 km/h) |
| 95 mph (152.89 km/h) | 93.36 mph (150.25 km/h) |
| 100 mph (160.93 km/h) | 98.27 mph (158.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2063 | 2397 | 2581 | 2695 | 2818 | 2906 | 3002 | 3116 | 3275 | 3433 | 3608 | 3749 | 4003 | 4284 | 4504 | 4644 | 4723 | 5013 | 5417 | 6294 |
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