Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-14 | 170/45-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.91 (531.1) | 20.02 (508.6) | -0.89 (-22.5) -4.2% |
| Width inches (mm) | 7.68 (195) | 6.69 (170) | -0.98 (-25) -12.8% |
| Circum. inches (mm) | 65.69 (1668.5) | 62.91 (1597.81) | -2.78 (-70.69) -4.2% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 3.01 (76.5) | -0.44 (-11.25) -12.8% |
| Revolutions per mile (km) | 964.55 (599.34) | 1007.22 (625.85) | 42.67 (26.51) 4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.15 mph (30.82 km/h) |
| 25 mph (40.23 km/h) | 23.94 mph (38.53 km/h) |
| 30 mph (48.28 km/h) | 28.73 mph (46.24 km/h) |
| 35 mph (56.33 km/h) | 33.52 mph (53.94 km/h) |
| 40 mph (64.37 km/h) | 38.31 mph (61.65 km/h) |
| 45 mph (72.42 km/h) | 43.09 mph (69.35 km/h) |
| 50 mph (80.47 km/h) | 47.88 mph (77.06 km/h) |
| 55 mph (88.51 km/h) | 52.67 mph (84.76 km/h) |
| 60 mph (96.56 km/h) | 57.46 mph (92.47 km/h) |
| 65 mph (104.61 km/h) | 62.25 mph (100.18 km/h) |
| 70 mph (112.65 km/h) | 67.03 mph (107.88 km/h) |
| 75 mph (120.7 km/h) | 71.82 mph (115.59 km/h) |
| 80 mph (128.75 km/h) | 76.61 mph (123.29 km/h) |
| 85 mph (136.79 km/h) | 81.4 mph (131 km/h) |
| 90 mph (144.84 km/h) | 86.19 mph (138.71 km/h) |
| 95 mph (152.89 km/h) | 90.98 mph (146.41 km/h) |
| 100 mph (160.93 km/h) | 95.76 mph (154.12 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
