Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-14 | 185/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.68 (550.6) | 24.93 (633.1) | 3.25 (82.5) 15% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 68.1 (1729.76) | 78.3 (1988.94) | 10.2 (259.18) 15% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 5.46 (138.75) | 1.62 (41.25) 42.3% |
| Revolutions per mile (km) | 930.39 (578.11) | 809.15 (502.78) | -121.24 (-75.33) -13% |
185/75-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23 mph (37.01 km/h) |
| 25 mph (40.23 km/h) | 28.75 mph (46.26 km/h) |
| 30 mph (48.28 km/h) | 34.5 mph (55.51 km/h) |
| 35 mph (56.33 km/h) | 40.24 mph (64.77 km/h) |
| 40 mph (64.37 km/h) | 45.99 mph (74.02 km/h) |
| 45 mph (72.42 km/h) | 51.74 mph (83.27 km/h) |
| 50 mph (80.47 km/h) | 57.49 mph (92.52 km/h) |
| 55 mph (88.51 km/h) | 63.24 mph (101.78 km/h) |
| 60 mph (96.56 km/h) | 68.99 mph (111.03 km/h) |
| 65 mph (104.61 km/h) | 74.74 mph (120.28 km/h) |
| 70 mph (112.65 km/h) | 80.49 mph (129.53 km/h) |
| 75 mph (120.7 km/h) | 86.24 mph (138.79 km/h) |
| 80 mph (128.75 km/h) | 91.99 mph (148.04 km/h) |
| 85 mph (136.79 km/h) | 97.74 mph (157.29 km/h) |
| 90 mph (144.84 km/h) | 103.49 mph (166.54 km/h) |
| 95 mph (152.89 km/h) | 109.23 mph (175.8 km/h) |
| 100 mph (160.93 km/h) | 114.98 mph (185.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2059 | 2392 | 2576 | 2690 | 2813 | 2900 | 2997 | 3111 | 3268 | 3426 | 3601 | 3741 | 3996 | 4276 | 4495 | 4635 | 4714 | 5003 | 5406 | 6283 |
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