Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-16 | 185/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.91 (581.9) | 24.01 (609.9) | 1.1 (28) 4.8% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 71.97 (1828.09) | 75.44 (1916.06) | 3.46 (87.96) 4.8% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 4.01 (101.75) | 0.55 (14) 16% |
| Revolutions per mile (km) | 880.34 (547.02) | 839.92 (521.9) | -40.42 (-25.11) -4.6% |
185/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.96 mph (33.74 km/h) |
| 25 mph (40.23 km/h) | 26.2 mph (42.17 km/h) |
| 30 mph (48.28 km/h) | 31.44 mph (50.6 km/h) |
| 35 mph (56.33 km/h) | 36.68 mph (59.04 km/h) |
| 40 mph (64.37 km/h) | 41.92 mph (67.47 km/h) |
| 45 mph (72.42 km/h) | 47.17 mph (75.91 km/h) |
| 50 mph (80.47 km/h) | 52.41 mph (84.34 km/h) |
| 55 mph (88.51 km/h) | 57.65 mph (92.77 km/h) |
| 60 mph (96.56 km/h) | 62.89 mph (101.21 km/h) |
| 65 mph (104.61 km/h) | 68.13 mph (109.64 km/h) |
| 70 mph (112.65 km/h) | 73.37 mph (118.08 km/h) |
| 75 mph (120.7 km/h) | 78.61 mph (126.51 km/h) |
| 80 mph (128.75 km/h) | 83.85 mph (134.94 km/h) |
| 85 mph (136.79 km/h) | 89.09 mph (143.38 km/h) |
| 90 mph (144.84 km/h) | 94.33 mph (151.81 km/h) |
| 95 mph (152.89 km/h) | 99.57 mph (160.24 km/h) |
| 100 mph (160.93 km/h) | 104.81 mph (168.68 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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