Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/60-16 | 185/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.27 (616.4) | 24.01 (609.9) | -0.26 (-6.5) -1.1% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 76.24 (1936.48) | 75.44 (1916.06) | -0.8 (-20.42) -1.1% |
| Sidewall Height inches (mm) | 4.13 (105) | 4.01 (101.75) | -0.13 (-3.25) -3.1% |
| Revolutions per mile (km) | 831.07 (516.4) | 839.92 (521.9) | 8.86 (5.5) 1.1% |
185/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.79 mph (31.85 km/h) |
| 25 mph (40.23 km/h) | 24.74 mph (39.81 km/h) |
| 30 mph (48.28 km/h) | 29.68 mph (47.77 km/h) |
| 35 mph (56.33 km/h) | 34.63 mph (55.73 km/h) |
| 40 mph (64.37 km/h) | 39.58 mph (63.7 km/h) |
| 45 mph (72.42 km/h) | 44.53 mph (71.66 km/h) |
| 50 mph (80.47 km/h) | 49.47 mph (79.62 km/h) |
| 55 mph (88.51 km/h) | 54.42 mph (87.58 km/h) |
| 60 mph (96.56 km/h) | 59.37 mph (95.54 km/h) |
| 65 mph (104.61 km/h) | 64.31 mph (103.5 km/h) |
| 70 mph (112.65 km/h) | 69.26 mph (111.47 km/h) |
| 75 mph (120.7 km/h) | 74.21 mph (119.43 km/h) |
| 80 mph (128.75 km/h) | 79.16 mph (127.39 km/h) |
| 85 mph (136.79 km/h) | 84.1 mph (135.35 km/h) |
| 90 mph (144.84 km/h) | 89.05 mph (143.31 km/h) |
| 95 mph (152.89 km/h) | 94 mph (151.28 km/h) |
| 100 mph (160.93 km/h) | 98.95 mph (159.24 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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