Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-19 | 140/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 26.82 (681.2) | 0.26 (6.6) 1% |
| Width inches (mm) | 4.72 (120) | 5.51 (140) | 0.79 (20) 16.7% |
| Circum. inches (mm) | 83.44 (2119.32) | 84.25 (2140.05) | 0.82 (20.73) 1% |
| Sidewall Height inches (mm) | 3.78 (96) | 4.41 (112) | 0.63 (16) 16.7% |
| Revolutions per mile (km) | 759.37 (471.85) | 752.01 (467.28) | -7.36 (-4.57) -1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.2 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.63 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.75 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.88 km/h) |
| 40 mph (64.37 km/h) | 40.39 mph (65 km/h) |
| 45 mph (72.42 km/h) | 45.44 mph (73.13 km/h) |
| 50 mph (80.47 km/h) | 50.49 mph (81.25 km/h) |
| 55 mph (88.51 km/h) | 55.54 mph (89.38 km/h) |
| 60 mph (96.56 km/h) | 60.59 mph (97.51 km/h) |
| 65 mph (104.61 km/h) | 65.64 mph (105.63 km/h) |
| 70 mph (112.65 km/h) | 70.68 mph (113.76 km/h) |
| 75 mph (120.7 km/h) | 75.73 mph (121.88 km/h) |
| 80 mph (128.75 km/h) | 80.78 mph (130.01 km/h) |
| 85 mph (136.79 km/h) | 85.83 mph (138.13 km/h) |
| 90 mph (144.84 km/h) | 90.88 mph (146.26 km/h) |
| 95 mph (152.89 km/h) | 95.93 mph (154.38 km/h) |
| 100 mph (160.93 km/h) | 100.98 mph (162.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1914 | 2223 | 2394 | 2500 | 2614 | 2696 | 2785 | 2891 | 3038 | 3184 | 3347 | 3477 | 3713 | 3974 | 4178 | 4308 | 4381 | 4650 | 5025 | 5839 |
Better Fuel Economy Factory Ratios Increased Power
