Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-13 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.93 (607.7) | 24.2 (614.6) | 0.27 (6.9) 1.1% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 75.16 (1909.15) | 76.02 (1930.82) | 0.85 (21.68) 1.1% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 5.1 (129.5) | -0.36 (-9.25) -6.7% |
| Revolutions per mile (km) | 842.97 (523.79) | 833.5 (517.91) | -9.46 (-5.88) -1.1% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.23 mph (32.55 km/h) |
| 25 mph (40.23 km/h) | 25.28 mph (40.69 km/h) |
| 30 mph (48.28 km/h) | 30.34 mph (48.83 km/h) |
| 35 mph (56.33 km/h) | 35.4 mph (56.97 km/h) |
| 40 mph (64.37 km/h) | 40.45 mph (65.1 km/h) |
| 45 mph (72.42 km/h) | 45.51 mph (73.24 km/h) |
| 50 mph (80.47 km/h) | 50.57 mph (81.38 km/h) |
| 55 mph (88.51 km/h) | 55.62 mph (89.52 km/h) |
| 60 mph (96.56 km/h) | 60.68 mph (97.66 km/h) |
| 65 mph (104.61 km/h) | 65.74 mph (105.8 km/h) |
| 70 mph (112.65 km/h) | 70.79 mph (113.93 km/h) |
| 75 mph (120.7 km/h) | 75.85 mph (122.07 km/h) |
| 80 mph (128.75 km/h) | 80.91 mph (130.21 km/h) |
| 85 mph (136.79 km/h) | 85.97 mph (138.35 km/h) |
| 90 mph (144.84 km/h) | 91.02 mph (146.49 km/h) |
| 95 mph (152.89 km/h) | 96.08 mph (154.62 km/h) |
| 100 mph (160.93 km/h) | 101.14 mph (162.76 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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