Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 23.47 (596.1) | -2.91 (-74) -11% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 82.88 (2105.18) | 73.73 (1872.7) | -9.15 (-232.48) -11% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 4.73 (120.25) | -1.46 (-37) -23.5% |
| Revolutions per mile (km) | 764.47 (475.02) | 859.37 (533.99) | 94.9 (58.97) 12.4% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.79 mph (28.63 km/h) |
| 25 mph (40.23 km/h) | 22.24 mph (35.79 km/h) |
| 30 mph (48.28 km/h) | 26.69 mph (42.95 km/h) |
| 35 mph (56.33 km/h) | 31.13 mph (50.11 km/h) |
| 40 mph (64.37 km/h) | 35.58 mph (57.26 km/h) |
| 45 mph (72.42 km/h) | 40.03 mph (64.42 km/h) |
| 50 mph (80.47 km/h) | 44.48 mph (71.58 km/h) |
| 55 mph (88.51 km/h) | 48.93 mph (78.74 km/h) |
| 60 mph (96.56 km/h) | 53.37 mph (85.9 km/h) |
| 65 mph (104.61 km/h) | 57.82 mph (93.06 km/h) |
| 70 mph (112.65 km/h) | 62.27 mph (100.21 km/h) |
| 75 mph (120.7 km/h) | 66.72 mph (107.37 km/h) |
| 80 mph (128.75 km/h) | 71.17 mph (114.53 km/h) |
| 85 mph (136.79 km/h) | 75.61 mph (121.69 km/h) |
| 90 mph (144.84 km/h) | 80.06 mph (128.85 km/h) |
| 95 mph (152.89 km/h) | 84.51 mph (136 km/h) |
| 100 mph (160.93 km/h) | 88.96 mph (143.16 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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