Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 24.2 (614.6) | 0.97 (24.6) 4.2% |
| Width inches (mm) | 7.48 (190) | 7.28 (185) | -0.2 (-5) -2.6% |
| Circum. inches (mm) | 72.97 (1853.54) | 76.02 (1930.82) | 3.04 (77.28) 4.2% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 5.1 (129.5) | 0.98 (25) 23.9% |
| Revolutions per mile (km) | 868.25 (539.51) | 833.5 (517.91) | -34.75 (-21.59) -4% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.83 mph (33.53 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.91 km/h) |
| 30 mph (48.28 km/h) | 31.25 mph (50.29 km/h) |
| 35 mph (56.33 km/h) | 36.46 mph (58.68 km/h) |
| 40 mph (64.37 km/h) | 41.67 mph (67.06 km/h) |
| 45 mph (72.42 km/h) | 46.88 mph (75.44 km/h) |
| 50 mph (80.47 km/h) | 52.08 mph (83.82 km/h) |
| 55 mph (88.51 km/h) | 57.29 mph (92.2 km/h) |
| 60 mph (96.56 km/h) | 62.5 mph (100.59 km/h) |
| 65 mph (104.61 km/h) | 67.71 mph (108.97 km/h) |
| 70 mph (112.65 km/h) | 72.92 mph (117.35 km/h) |
| 75 mph (120.7 km/h) | 78.13 mph (125.73 km/h) |
| 80 mph (128.75 km/h) | 83.34 mph (134.12 km/h) |
| 85 mph (136.79 km/h) | 88.54 mph (142.5 km/h) |
| 90 mph (144.84 km/h) | 93.75 mph (150.88 km/h) |
| 95 mph (152.89 km/h) | 98.96 mph (159.26 km/h) |
| 100 mph (160.93 km/h) | 104.17 mph (167.64 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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