Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/65-14 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570.1) | 24.2 (614.6) | 1.75 (44.5) 7.8% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 70.51 (1791.02) | 76.02 (1930.82) | 5.5 (139.8) 7.8% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 5.1 (129.5) | 0.88 (22.25) 20.7% |
| Revolutions per mile (km) | 898.56 (558.34) | 833.5 (517.91) | -65.06 (-40.43) -7.2% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.56 mph (34.7 km/h) |
| 25 mph (40.23 km/h) | 26.95 mph (43.37 km/h) |
| 30 mph (48.28 km/h) | 32.34 mph (52.05 km/h) |
| 35 mph (56.33 km/h) | 37.73 mph (60.72 km/h) |
| 40 mph (64.37 km/h) | 43.12 mph (69.4 km/h) |
| 45 mph (72.42 km/h) | 48.51 mph (78.07 km/h) |
| 50 mph (80.47 km/h) | 53.9 mph (86.75 km/h) |
| 55 mph (88.51 km/h) | 59.29 mph (95.42 km/h) |
| 60 mph (96.56 km/h) | 64.68 mph (104.1 km/h) |
| 65 mph (104.61 km/h) | 70.07 mph (112.77 km/h) |
| 70 mph (112.65 km/h) | 75.46 mph (121.45 km/h) |
| 75 mph (120.7 km/h) | 80.85 mph (130.12 km/h) |
| 80 mph (128.75 km/h) | 86.24 mph (138.8 km/h) |
| 85 mph (136.79 km/h) | 91.63 mph (147.47 km/h) |
| 90 mph (144.84 km/h) | 97.03 mph (156.15 km/h) |
| 95 mph (152.89 km/h) | 102.42 mph (164.82 km/h) |
| 100 mph (160.93 km/h) | 107.81 mph (173.5 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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