Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.93 (633.1) | 23.47 (596.1) | -1.46 (-37) -5.8% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 78.3 (1988.94) | 73.73 (1872.7) | -4.58 (-116.24) -5.8% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 4.73 (120.25) | -0.73 (-18.5) -13.3% |
| Revolutions per mile (km) | 809.15 (502.78) | 859.37 (533.99) | 50.22 (31.21) 6.2% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.83 mph (30.31 km/h) |
| 25 mph (40.23 km/h) | 23.54 mph (37.88 km/h) |
| 30 mph (48.28 km/h) | 28.25 mph (45.46 km/h) |
| 35 mph (56.33 km/h) | 32.95 mph (53.04 km/h) |
| 40 mph (64.37 km/h) | 37.66 mph (60.61 km/h) |
| 45 mph (72.42 km/h) | 42.37 mph (68.19 km/h) |
| 50 mph (80.47 km/h) | 47.08 mph (75.76 km/h) |
| 55 mph (88.51 km/h) | 51.79 mph (83.34 km/h) |
| 60 mph (96.56 km/h) | 56.49 mph (90.92 km/h) |
| 65 mph (104.61 km/h) | 61.2 mph (98.49 km/h) |
| 70 mph (112.65 km/h) | 65.91 mph (106.07 km/h) |
| 75 mph (120.7 km/h) | 70.62 mph (113.65 km/h) |
| 80 mph (128.75 km/h) | 75.32 mph (121.22 km/h) |
| 85 mph (136.79 km/h) | 80.03 mph (128.8 km/h) |
| 90 mph (144.84 km/h) | 84.74 mph (136.38 km/h) |
| 95 mph (152.89 km/h) | 89.45 mph (143.95 km/h) |
| 100 mph (160.93 km/h) | 94.16 mph (151.53 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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