Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-15 | 110/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.61 (549) | 20.93 (531.6) | -0.69 (-17.4) -3.2% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 67.9 (1724.73) | 65.75 (1670.07) | -2.15 (-54.66) -3.2% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.46 (88) | 0.16 (4) 4.8% |
| Revolutions per mile (km) | 933.1 (579.8) | 963.64 (598.78) | 30.54 (18.98) 3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.37 mph (31.17 km/h) |
| 25 mph (40.23 km/h) | 24.21 mph (38.96 km/h) |
| 30 mph (48.28 km/h) | 29.05 mph (46.75 km/h) |
| 35 mph (56.33 km/h) | 33.89 mph (54.54 km/h) |
| 40 mph (64.37 km/h) | 38.73 mph (62.33 km/h) |
| 45 mph (72.42 km/h) | 43.57 mph (70.13 km/h) |
| 50 mph (80.47 km/h) | 48.42 mph (77.92 km/h) |
| 55 mph (88.51 km/h) | 53.26 mph (85.71 km/h) |
| 60 mph (96.56 km/h) | 58.1 mph (93.5 km/h) |
| 65 mph (104.61 km/h) | 62.94 mph (101.29 km/h) |
| 70 mph (112.65 km/h) | 67.78 mph (109.08 km/h) |
| 75 mph (120.7 km/h) | 72.62 mph (116.88 km/h) |
| 80 mph (128.75 km/h) | 77.46 mph (124.67 km/h) |
| 85 mph (136.79 km/h) | 82.31 mph (132.46 km/h) |
| 90 mph (144.84 km/h) | 87.15 mph (140.25 km/h) |
| 95 mph (152.89 km/h) | 91.99 mph (148.04 km/h) |
| 100 mph (160.93 km/h) | 96.83 mph (155.83 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
