Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 24.2 (614.6) | -2.19 (-55.5) -8.3% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 82.88 (2105.18) | 76.02 (1930.82) | -6.86 (-174.36) -8.3% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 5.1 (129.5) | -1.09 (-27.75) -17.6% |
| Revolutions per mile (km) | 764.47 (475.02) | 833.5 (517.91) | 69.03 (42.9) 9% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.34 mph (29.52 km/h) |
| 25 mph (40.23 km/h) | 22.93 mph (36.9 km/h) |
| 30 mph (48.28 km/h) | 27.52 mph (44.28 km/h) |
| 35 mph (56.33 km/h) | 32.1 mph (51.66 km/h) |
| 40 mph (64.37 km/h) | 36.69 mph (59.04 km/h) |
| 45 mph (72.42 km/h) | 41.27 mph (66.42 km/h) |
| 50 mph (80.47 km/h) | 45.86 mph (73.8 km/h) |
| 55 mph (88.51 km/h) | 50.44 mph (81.18 km/h) |
| 60 mph (96.56 km/h) | 55.03 mph (88.56 km/h) |
| 65 mph (104.61 km/h) | 59.62 mph (95.94 km/h) |
| 70 mph (112.65 km/h) | 64.2 mph (103.32 km/h) |
| 75 mph (120.7 km/h) | 68.79 mph (110.7 km/h) |
| 80 mph (128.75 km/h) | 73.37 mph (118.08 km/h) |
| 85 mph (136.79 km/h) | 77.96 mph (125.46 km/h) |
| 90 mph (144.84 km/h) | 82.55 mph (132.84 km/h) |
| 95 mph (152.89 km/h) | 87.13 mph (140.23 km/h) |
| 100 mph (160.93 km/h) | 91.72 mph (147.61 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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