Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-14 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.39 (619.6) | 24.2 (614.6) | -0.2 (-5) -0.8% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 76.64 (1946.53) | 76.02 (1930.82) | -0.62 (-15.71) -0.8% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.1 (129.5) | -0.1 (-2.5) -1.9% |
| Revolutions per mile (km) | 826.78 (513.73) | 833.5 (517.91) | 6.73 (4.18) 0.8% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.84 mph (31.93 km/h) |
| 25 mph (40.23 km/h) | 24.8 mph (39.91 km/h) |
| 30 mph (48.28 km/h) | 29.76 mph (47.89 km/h) |
| 35 mph (56.33 km/h) | 34.72 mph (55.87 km/h) |
| 40 mph (64.37 km/h) | 39.68 mph (63.85 km/h) |
| 45 mph (72.42 km/h) | 44.64 mph (71.84 km/h) |
| 50 mph (80.47 km/h) | 49.6 mph (79.82 km/h) |
| 55 mph (88.51 km/h) | 54.56 mph (87.8 km/h) |
| 60 mph (96.56 km/h) | 59.52 mph (95.78 km/h) |
| 65 mph (104.61 km/h) | 64.48 mph (103.76 km/h) |
| 70 mph (112.65 km/h) | 69.44 mph (111.75 km/h) |
| 75 mph (120.7 km/h) | 74.39 mph (119.73 km/h) |
| 80 mph (128.75 km/h) | 79.35 mph (127.71 km/h) |
| 85 mph (136.79 km/h) | 84.31 mph (135.69 km/h) |
| 90 mph (144.84 km/h) | 89.27 mph (143.67 km/h) |
| 95 mph (152.89 km/h) | 94.23 mph (151.65 km/h) |
| 100 mph (160.93 km/h) | 99.19 mph (159.64 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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