Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/80-14 | 120/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.3 (515.6) | 20.61 (523.6) | 0.31 (8) 1.6% |
| Width inches (mm) | 3.94 (100) | 4.72 (120) | 0.79 (20) 20% |
| Circum. inches (mm) | 63.77 (1619.81) | 64.76 (1644.94) | 0.99 (25.13) 1.6% |
| Sidewall Height inches (mm) | 3.15 (80) | 3.31 (84) | 0.16 (4) 5% |
| Revolutions per mile (km) | 993.54 (617.36) | 978.36 (607.92) | -15.18 (-9.43) -1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.31 mph (32.69 km/h) |
| 25 mph (40.23 km/h) | 25.39 mph (40.86 km/h) |
| 30 mph (48.28 km/h) | 30.47 mph (49.03 km/h) |
| 35 mph (56.33 km/h) | 35.54 mph (57.2 km/h) |
| 40 mph (64.37 km/h) | 40.62 mph (65.37 km/h) |
| 45 mph (72.42 km/h) | 45.7 mph (73.54 km/h) |
| 50 mph (80.47 km/h) | 50.78 mph (81.72 km/h) |
| 55 mph (88.51 km/h) | 55.85 mph (89.89 km/h) |
| 60 mph (96.56 km/h) | 60.93 mph (98.06 km/h) |
| 65 mph (104.61 km/h) | 66.01 mph (106.23 km/h) |
| 70 mph (112.65 km/h) | 71.09 mph (114.4 km/h) |
| 75 mph (120.7 km/h) | 76.16 mph (122.57 km/h) |
| 80 mph (128.75 km/h) | 81.24 mph (130.75 km/h) |
| 85 mph (136.79 km/h) | 86.32 mph (138.92 km/h) |
| 90 mph (144.84 km/h) | 91.4 mph (147.09 km/h) |
| 95 mph (152.89 km/h) | 96.47 mph (155.26 km/h) |
| 100 mph (160.93 km/h) | 101.55 mph (163.43 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
