Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 185/20-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 16.91 (429.6) | -3.23 (-82) -16% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 63.28 (1607.24) | 53.13 (1349.63) | -10.14 (-257.61) -16% |
| Sidewall Height inches (mm) | 3.07 (78) | 1.46 (37) | -1.61 (-41) -52.6% |
| Revolutions per mile (km) | 1001.31 (622.18) | 1192.44 (740.94) | 191.13 (118.76) 19.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.79 mph (27.03 km/h) |
| 25 mph (40.23 km/h) | 20.99 mph (33.78 km/h) |
| 30 mph (48.28 km/h) | 25.19 mph (40.54 km/h) |
| 35 mph (56.33 km/h) | 29.39 mph (47.3 km/h) |
| 40 mph (64.37 km/h) | 33.59 mph (54.06 km/h) |
| 45 mph (72.42 km/h) | 37.79 mph (60.81 km/h) |
| 50 mph (80.47 km/h) | 41.99 mph (67.57 km/h) |
| 55 mph (88.51 km/h) | 46.18 mph (74.33 km/h) |
| 60 mph (96.56 km/h) | 50.38 mph (81.08 km/h) |
| 65 mph (104.61 km/h) | 54.58 mph (87.84 km/h) |
| 70 mph (112.65 km/h) | 58.78 mph (94.6 km/h) |
| 75 mph (120.7 km/h) | 62.98 mph (101.35 km/h) |
| 80 mph (128.75 km/h) | 67.18 mph (108.11 km/h) |
| 85 mph (136.79 km/h) | 71.38 mph (114.87 km/h) |
| 90 mph (144.84 km/h) | 75.57 mph (121.63 km/h) |
| 95 mph (152.89 km/h) | 79.77 mph (128.38 km/h) |
| 100 mph (160.93 km/h) | 83.97 mph (135.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
