Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/80-17 | 140/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.82 (655.8) | 22.51 (571.8) | -3.31 (-84) -12.8% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 81.11 (2060.26) | 70.72 (1796.36) | -10.39 (-263.89) -12.8% |
| Sidewall Height inches (mm) | 4.41 (112) | 2.76 (70) | -1.65 (-42) -37.5% |
| Revolutions per mile (km) | 781.14 (485.38) | 895.89 (556.68) | 114.75 (71.3) 14.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.44 mph (28.06 km/h) |
| 25 mph (40.23 km/h) | 21.8 mph (35.08 km/h) |
| 30 mph (48.28 km/h) | 26.16 mph (42.1 km/h) |
| 35 mph (56.33 km/h) | 30.52 mph (49.11 km/h) |
| 40 mph (64.37 km/h) | 34.88 mph (56.13 km/h) |
| 45 mph (72.42 km/h) | 39.24 mph (63.14 km/h) |
| 50 mph (80.47 km/h) | 43.6 mph (70.16 km/h) |
| 55 mph (88.51 km/h) | 47.96 mph (77.18 km/h) |
| 60 mph (96.56 km/h) | 52.31 mph (84.19 km/h) |
| 65 mph (104.61 km/h) | 56.67 mph (91.21 km/h) |
| 70 mph (112.65 km/h) | 61.03 mph (98.22 km/h) |
| 75 mph (120.7 km/h) | 65.39 mph (105.24 km/h) |
| 80 mph (128.75 km/h) | 69.75 mph (112.26 km/h) |
| 85 mph (136.79 km/h) | 74.11 mph (119.27 km/h) |
| 90 mph (144.84 km/h) | 78.47 mph (126.29 km/h) |
| 95 mph (152.89 km/h) | 82.83 mph (133.3 km/h) |
| 100 mph (160.93 km/h) | 87.19 mph (140.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2280 | 2649 | 2852 | 2978 | 3114 | 3211 | 3318 | 3444 | 3619 | 3793 | 3987 | 4143 | 4424 | 4734 | 4977 | 5132 | 5219 | 5540 | 5986 | 6956 |
Better Fuel Economy Factory Ratios Increased Power
