Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 170/40-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 19.35 (491.6) | -0.79 (-20) -3.9% |
| Width inches (mm) | 7.68 (195) | 6.69 (170) | -0.98 (-25) -12.8% |
| Circum. inches (mm) | 63.28 (1607.24) | 60.8 (1544.41) | -2.47 (-62.83) -3.9% |
| Sidewall Height inches (mm) | 3.07 (78) | 2.68 (68) | -0.39 (-10) -12.8% |
| Revolutions per mile (km) | 1001.31 (622.18) | 1042.05 (647.5) | 40.74 (25.31) 4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.22 mph (30.93 km/h) |
| 25 mph (40.23 km/h) | 24.02 mph (38.66 km/h) |
| 30 mph (48.28 km/h) | 28.83 mph (46.39 km/h) |
| 35 mph (56.33 km/h) | 33.63 mph (54.13 km/h) |
| 40 mph (64.37 km/h) | 38.44 mph (61.86 km/h) |
| 45 mph (72.42 km/h) | 43.24 mph (69.59 km/h) |
| 50 mph (80.47 km/h) | 48.05 mph (77.32 km/h) |
| 55 mph (88.51 km/h) | 52.85 mph (85.05 km/h) |
| 60 mph (96.56 km/h) | 57.65 mph (92.79 km/h) |
| 65 mph (104.61 km/h) | 62.46 mph (100.52 km/h) |
| 70 mph (112.65 km/h) | 67.26 mph (108.25 km/h) |
| 75 mph (120.7 km/h) | 72.07 mph (115.98 km/h) |
| 80 mph (128.75 km/h) | 76.87 mph (123.71 km/h) |
| 85 mph (136.79 km/h) | 81.68 mph (131.45 km/h) |
| 90 mph (144.84 km/h) | 86.48 mph (139.18 km/h) |
| 95 mph (152.89 km/h) | 91.29 mph (146.91 km/h) |
| 100 mph (160.93 km/h) | 96.09 mph (154.64 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
