Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.15 (537.1) | 23.47 (596.1) | 2.32 (59) 11% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 66.43 (1687.35) | 73.73 (1872.7) | 7.3 (185.35) 11% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 4.73 (120.25) | 1.16 (29.5) 32.5% |
| Revolutions per mile (km) | 953.77 (592.64) | 859.37 (533.99) | -94.4 (-58.66) -9.9% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.2 mph (35.72 km/h) |
| 25 mph (40.23 km/h) | 27.75 mph (44.65 km/h) |
| 30 mph (48.28 km/h) | 33.3 mph (53.58 km/h) |
| 35 mph (56.33 km/h) | 38.84 mph (62.51 km/h) |
| 40 mph (64.37 km/h) | 44.39 mph (71.45 km/h) |
| 45 mph (72.42 km/h) | 49.94 mph (80.38 km/h) |
| 50 mph (80.47 km/h) | 55.49 mph (89.31 km/h) |
| 55 mph (88.51 km/h) | 61.04 mph (98.24 km/h) |
| 60 mph (96.56 km/h) | 66.59 mph (107.17 km/h) |
| 65 mph (104.61 km/h) | 72.14 mph (116.1 km/h) |
| 70 mph (112.65 km/h) | 77.69 mph (125.03 km/h) |
| 75 mph (120.7 km/h) | 83.24 mph (133.96 km/h) |
| 80 mph (128.75 km/h) | 88.79 mph (142.89 km/h) |
| 85 mph (136.79 km/h) | 94.34 mph (151.82 km/h) |
| 90 mph (144.84 km/h) | 99.89 mph (160.75 km/h) |
| 95 mph (152.89 km/h) | 105.44 mph (169.68 km/h) |
| 100 mph (160.93 km/h) | 110.98 mph (178.61 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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