Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-16 | 185/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.93 (683.9) | 24.01 (609.9) | -2.91 (-74) -10.8% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 84.59 (2148.54) | 75.44 (1916.06) | -9.15 (-232.48) -10.8% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 4.01 (101.75) | -1.46 (-37) -26.7% |
| Revolutions per mile (km) | 749.04 (465.43) | 839.92 (521.9) | 90.88 (56.47) 12.1% |
185/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.84 mph (28.7 km/h) |
| 25 mph (40.23 km/h) | 22.29 mph (35.88 km/h) |
| 30 mph (48.28 km/h) | 26.75 mph (43.06 km/h) |
| 35 mph (56.33 km/h) | 31.21 mph (50.23 km/h) |
| 40 mph (64.37 km/h) | 35.67 mph (57.41 km/h) |
| 45 mph (72.42 km/h) | 40.13 mph (64.58 km/h) |
| 50 mph (80.47 km/h) | 44.59 mph (71.76 km/h) |
| 55 mph (88.51 km/h) | 49.05 mph (78.94 km/h) |
| 60 mph (96.56 km/h) | 53.51 mph (86.11 km/h) |
| 65 mph (104.61 km/h) | 57.97 mph (93.29 km/h) |
| 70 mph (112.65 km/h) | 62.43 mph (100.46 km/h) |
| 75 mph (120.7 km/h) | 66.88 mph (107.64 km/h) |
| 80 mph (128.75 km/h) | 71.34 mph (114.82 km/h) |
| 85 mph (136.79 km/h) | 75.8 mph (121.99 km/h) |
| 90 mph (144.84 km/h) | 80.26 mph (129.17 km/h) |
| 95 mph (152.89 km/h) | 84.72 mph (136.35 km/h) |
| 100 mph (160.93 km/h) | 89.18 mph (143.52 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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