Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/80-15 | 140/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.82 (605) | 22.82 (579.6) | -1 (-25.4) -4.2% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 74.83 (1900.66) | 71.69 (1820.87) | -3.14 (-79.8) -4.2% |
| Sidewall Height inches (mm) | 4.41 (112) | 4.41 (112) | 0 (0) 0% |
| Revolutions per mile (km) | 846.73 (526.13) | 883.83 (549.19) | 37.11 (23.06) 4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.84 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.74 mph (46.25 km/h) |
| 35 mph (56.33 km/h) | 33.53 mph (53.96 km/h) |
| 40 mph (64.37 km/h) | 38.32 mph (61.67 km/h) |
| 45 mph (72.42 km/h) | 43.11 mph (69.38 km/h) |
| 50 mph (80.47 km/h) | 47.9 mph (77.09 km/h) |
| 55 mph (88.51 km/h) | 52.69 mph (84.8 km/h) |
| 60 mph (96.56 km/h) | 57.48 mph (92.51 km/h) |
| 65 mph (104.61 km/h) | 62.27 mph (100.22 km/h) |
| 70 mph (112.65 km/h) | 67.06 mph (107.92 km/h) |
| 75 mph (120.7 km/h) | 71.85 mph (115.63 km/h) |
| 80 mph (128.75 km/h) | 76.64 mph (123.34 km/h) |
| 85 mph (136.79 km/h) | 81.43 mph (131.05 km/h) |
| 90 mph (144.84 km/h) | 86.22 mph (138.76 km/h) |
| 95 mph (152.89 km/h) | 91.01 mph (146.47 km/h) |
| 100 mph (160.93 km/h) | 95.8 mph (154.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2249 | 2613 | 2814 | 2938 | 3072 | 3168 | 3273 | 3398 | 3570 | 3742 | 3934 | 4087 | 4364 | 4671 | 4910 | 5063 | 5149 | 5465 | 5905 | 6862 |
Better Fuel Economy Factory Ratios Increased Power
