Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.91 (531.1) | 23.47 (596.1) | 2.56 (65) 12.2% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 65.69 (1668.5) | 73.73 (1872.7) | 8.04 (204.2) 12.2% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 4.73 (120.25) | 1.28 (32.5) 37% |
| Revolutions per mile (km) | 964.55 (599.34) | 859.37 (533.99) | -105.18 (-65.35) -10.9% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.45 mph (36.13 km/h) |
| 25 mph (40.23 km/h) | 28.06 mph (45.16 km/h) |
| 30 mph (48.28 km/h) | 33.67 mph (54.19 km/h) |
| 35 mph (56.33 km/h) | 39.28 mph (63.22 km/h) |
| 40 mph (64.37 km/h) | 44.9 mph (72.25 km/h) |
| 45 mph (72.42 km/h) | 50.51 mph (81.28 km/h) |
| 50 mph (80.47 km/h) | 56.12 mph (90.32 km/h) |
| 55 mph (88.51 km/h) | 61.73 mph (99.35 km/h) |
| 60 mph (96.56 km/h) | 67.34 mph (108.38 km/h) |
| 65 mph (104.61 km/h) | 72.96 mph (117.41 km/h) |
| 70 mph (112.65 km/h) | 78.57 mph (126.44 km/h) |
| 75 mph (120.7 km/h) | 84.18 mph (135.47 km/h) |
| 80 mph (128.75 km/h) | 89.79 mph (144.5 km/h) |
| 85 mph (136.79 km/h) | 95.4 mph (153.54 km/h) |
| 90 mph (144.84 km/h) | 101.01 mph (162.57 km/h) |
| 95 mph (152.89 km/h) | 106.63 mph (171.6 km/h) |
| 100 mph (160.93 km/h) | 112.24 mph (180.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2187 | 2541 | 2736 | 2857 | 2987 | 3080 | 3183 | 3304 | 3471 | 3639 | 3825 | 3974 | 4244 | 4541 | 4774 | 4923 | 5007 | 5314 | 5742 | 6672 |
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