Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/75-15 | 140/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 23.82 (605) | 0.55 (14) 2.4% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 73.1 (1856.68) | 74.83 (1900.66) | 1.73 (43.98) 2.4% |
| Sidewall Height inches (mm) | 4.13 (105) | 4.41 (112) | 0.28 (7) 6.7% |
| Revolutions per mile (km) | 866.79 (538.59) | 846.73 (526.13) | -20.06 (-12.46) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.19 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.42 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.95 mph (65.9 km/h) |
| 45 mph (72.42 km/h) | 46.07 mph (74.14 km/h) |
| 50 mph (80.47 km/h) | 51.18 mph (82.37 km/h) |
| 55 mph (88.51 km/h) | 56.3 mph (90.61 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.85 km/h) |
| 65 mph (104.61 km/h) | 66.54 mph (107.09 km/h) |
| 70 mph (112.65 km/h) | 71.66 mph (115.32 km/h) |
| 75 mph (120.7 km/h) | 76.78 mph (123.56 km/h) |
| 80 mph (128.75 km/h) | 81.9 mph (131.8 km/h) |
| 85 mph (136.79 km/h) | 87.01 mph (140.03 km/h) |
| 90 mph (144.84 km/h) | 92.13 mph (148.27 km/h) |
| 95 mph (152.89 km/h) | 97.25 mph (156.51 km/h) |
| 100 mph (160.93 km/h) | 102.37 mph (164.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2155 | 2503 | 2696 | 2815 | 2943 | 3035 | 3136 | 3255 | 3420 | 3585 | 3769 | 3915 | 4181 | 4475 | 4704 | 4851 | 4933 | 5236 | 5657 | 6574 |
Better Fuel Economy Factory Ratios Increased Power
