Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-14 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.47 (596.1) | 24.2 (614.6) | 0.73 (18.5) 3.1% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 73.73 (1872.7) | 76.02 (1930.82) | 2.29 (58.12) 3.1% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 5.1 (129.5) | 0.36 (9.25) 7.7% |
| Revolutions per mile (km) | 859.37 (533.99) | 833.5 (517.91) | -25.87 (-16.07) -3% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.48 km/h) |
| 30 mph (48.28 km/h) | 30.93 mph (49.78 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.08 km/h) |
| 40 mph (64.37 km/h) | 41.24 mph (66.37 km/h) |
| 45 mph (72.42 km/h) | 46.4 mph (74.67 km/h) |
| 50 mph (80.47 km/h) | 51.55 mph (82.96 km/h) |
| 55 mph (88.51 km/h) | 56.71 mph (91.26 km/h) |
| 60 mph (96.56 km/h) | 61.86 mph (99.56 km/h) |
| 65 mph (104.61 km/h) | 67.02 mph (107.85 km/h) |
| 70 mph (112.65 km/h) | 72.17 mph (116.15 km/h) |
| 75 mph (120.7 km/h) | 77.33 mph (124.45 km/h) |
| 80 mph (128.75 km/h) | 82.48 mph (132.74 km/h) |
| 85 mph (136.79 km/h) | 87.64 mph (141.04 km/h) |
| 90 mph (144.84 km/h) | 92.79 mph (149.34 km/h) |
| 95 mph (152.89 km/h) | 97.95 mph (157.63 km/h) |
| 100 mph (160.93 km/h) | 103.1 mph (165.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2121 | 2464 | 2654 | 2771 | 2897 | 2988 | 3087 | 3204 | 3367 | 3529 | 3710 | 3854 | 4116 | 4405 | 4630 | 4775 | 4856 | 5154 | 5569 | 6472 |
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