Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/70-13 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.2 (589.2) | 23.47 (596.1) | 0.27 (6.9) 1.2% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 72.88 (1851.03) | 73.73 (1872.7) | 0.85 (21.68) 1.2% |
| Sidewall Height inches (mm) | 5.1 (129.5) | 4.73 (120.25) | -0.36 (-9.25) -7.1% |
| Revolutions per mile (km) | 869.43 (540.24) | 859.37 (533.99) | -10.06 (-6.25) -1.2% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.23 mph (32.56 km/h) |
| 25 mph (40.23 km/h) | 25.29 mph (40.7 km/h) |
| 30 mph (48.28 km/h) | 30.35 mph (48.85 km/h) |
| 35 mph (56.33 km/h) | 35.41 mph (56.99 km/h) |
| 40 mph (64.37 km/h) | 40.47 mph (65.13 km/h) |
| 45 mph (72.42 km/h) | 45.53 mph (73.27 km/h) |
| 50 mph (80.47 km/h) | 50.59 mph (81.41 km/h) |
| 55 mph (88.51 km/h) | 55.64 mph (89.55 km/h) |
| 60 mph (96.56 km/h) | 60.7 mph (97.69 km/h) |
| 65 mph (104.61 km/h) | 65.76 mph (105.83 km/h) |
| 70 mph (112.65 km/h) | 70.82 mph (113.97 km/h) |
| 75 mph (120.7 km/h) | 75.88 mph (122.11 km/h) |
| 80 mph (128.75 km/h) | 80.94 mph (130.26 km/h) |
| 85 mph (136.79 km/h) | 86 mph (138.4 km/h) |
| 90 mph (144.84 km/h) | 91.05 mph (146.54 km/h) |
| 95 mph (152.89 km/h) | 96.11 mph (154.68 km/h) |
| 100 mph (160.93 km/h) | 101.17 mph (162.82 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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