Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.58 (548.1) | 23.47 (596.1) | 1.89 (48) 8.8% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 67.79 (1721.91) | 73.73 (1872.7) | 5.94 (150.8) 8.8% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 4.73 (120.25) | 0.94 (24) 24.9% |
| Revolutions per mile (km) | 934.63 (580.75) | 859.37 (533.99) | -75.26 (-46.76) -8.1% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.75 mph (35.01 km/h) |
| 25 mph (40.23 km/h) | 27.19 mph (43.76 km/h) |
| 30 mph (48.28 km/h) | 32.63 mph (52.51 km/h) |
| 35 mph (56.33 km/h) | 38.07 mph (61.26 km/h) |
| 40 mph (64.37 km/h) | 43.5 mph (70.01 km/h) |
| 45 mph (72.42 km/h) | 48.94 mph (78.76 km/h) |
| 50 mph (80.47 km/h) | 54.38 mph (87.51 km/h) |
| 55 mph (88.51 km/h) | 59.82 mph (96.27 km/h) |
| 60 mph (96.56 km/h) | 65.25 mph (105.02 km/h) |
| 65 mph (104.61 km/h) | 70.69 mph (113.77 km/h) |
| 70 mph (112.65 km/h) | 76.13 mph (122.52 km/h) |
| 75 mph (120.7 km/h) | 81.57 mph (131.27 km/h) |
| 80 mph (128.75 km/h) | 87.01 mph (140.02 km/h) |
| 85 mph (136.79 km/h) | 92.44 mph (148.77 km/h) |
| 90 mph (144.84 km/h) | 97.88 mph (157.53 km/h) |
| 95 mph (152.89 km/h) | 103.32 mph (166.28 km/h) |
| 100 mph (160.93 km/h) | 108.76 mph (175.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2187 | 2541 | 2736 | 2857 | 2987 | 3080 | 3183 | 3304 | 3471 | 3639 | 3825 | 3974 | 4244 | 4541 | 4774 | 4923 | 5007 | 5314 | 5742 | 6672 |
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