Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/55-16 | 185/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.88 (631.9) | 24.01 (609.9) | -0.87 (-22) -3.5% |
| Width inches (mm) | 8.07 (205) | 7.28 (185) | -0.79 (-20) -9.8% |
| Circum. inches (mm) | 78.16 (1985.17) | 75.44 (1916.06) | -2.72 (-69.12) -3.5% |
| Sidewall Height inches (mm) | 4.44 (112.75) | 4.01 (101.75) | -0.43 (-11) -9.8% |
| Revolutions per mile (km) | 810.68 (503.73) | 839.92 (521.9) | 29.24 (18.17) 3.6% |
185/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.83 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.6 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.37 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.13 km/h) |
| 45 mph (72.42 km/h) | 43.43 mph (69.9 km/h) |
| 50 mph (80.47 km/h) | 48.26 mph (77.67 km/h) |
| 55 mph (88.51 km/h) | 53.09 mph (85.43 km/h) |
| 60 mph (96.56 km/h) | 57.91 mph (93.2 km/h) |
| 65 mph (104.61 km/h) | 62.74 mph (100.97 km/h) |
| 70 mph (112.65 km/h) | 67.56 mph (108.73 km/h) |
| 75 mph (120.7 km/h) | 72.39 mph (116.5 km/h) |
| 80 mph (128.75 km/h) | 77.21 mph (124.27 km/h) |
| 85 mph (136.79 km/h) | 82.04 mph (132.03 km/h) |
| 90 mph (144.84 km/h) | 86.87 mph (139.8 km/h) |
| 95 mph (152.89 km/h) | 91.69 mph (147.57 km/h) |
| 100 mph (160.93 km/h) | 96.52 mph (155.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2137 | 2483 | 2674 | 2792 | 2920 | 3011 | 3111 | 3229 | 3393 | 3556 | 3738 | 3884 | 4148 | 4439 | 4666 | 4812 | 4893 | 5194 | 5612 | 6521 |
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