Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/70-14 | 100/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.72 (551.6) | 20.3 (515.6) | -1.42 (-36) -6.5% |
| Width inches (mm) | 5.51 (140) | 3.94 (100) | -1.57 (-40) -28.6% |
| Circum. inches (mm) | 68.22 (1732.9) | 63.77 (1619.81) | -4.45 (-113.1) -6.5% |
| Sidewall Height inches (mm) | 3.86 (98) | 3.15 (80) | -0.71 (-18) -18.4% |
| Revolutions per mile (km) | 928.7 (577.07) | 993.54 (617.36) | 64.84 (40.29) 7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.69 mph (30.09 km/h) |
| 25 mph (40.23 km/h) | 23.37 mph (37.61 km/h) |
| 30 mph (48.28 km/h) | 28.04 mph (45.13 km/h) |
| 35 mph (56.33 km/h) | 32.72 mph (52.65 km/h) |
| 40 mph (64.37 km/h) | 37.39 mph (60.17 km/h) |
| 45 mph (72.42 km/h) | 42.06 mph (67.69 km/h) |
| 50 mph (80.47 km/h) | 46.74 mph (75.22 km/h) |
| 55 mph (88.51 km/h) | 51.41 mph (82.74 km/h) |
| 60 mph (96.56 km/h) | 56.08 mph (90.26 km/h) |
| 65 mph (104.61 km/h) | 60.76 mph (97.78 km/h) |
| 70 mph (112.65 km/h) | 65.43 mph (105.3 km/h) |
| 75 mph (120.7 km/h) | 70.11 mph (112.82 km/h) |
| 80 mph (128.75 km/h) | 74.78 mph (120.35 km/h) |
| 85 mph (136.79 km/h) | 79.45 mph (127.87 km/h) |
| 90 mph (144.84 km/h) | 84.13 mph (135.39 km/h) |
| 95 mph (152.89 km/h) | 88.8 mph (142.91 km/h) |
| 100 mph (160.93 km/h) | 93.47 mph (150.43 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
