Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-15 | 150/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.61 (549) | 22.27 (565.6) | 0.65 (16.6) 3% |
| Width inches (mm) | 4.72 (120) | 5.91 (150) | 1.18 (30) 25% |
| Circum. inches (mm) | 67.9 (1724.73) | 69.96 (1776.88) | 2.05 (52.15) 3% |
| Sidewall Height inches (mm) | 3.31 (84) | 4.13 (105) | 0.83 (21) 25% |
| Revolutions per mile (km) | 933.1 (579.8) | 905.71 (562.78) | -27.39 (-17.02) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.16 km/h) |
| 25 mph (40.23 km/h) | 25.76 mph (41.45 km/h) |
| 30 mph (48.28 km/h) | 30.91 mph (49.74 km/h) |
| 35 mph (56.33 km/h) | 36.06 mph (58.03 km/h) |
| 40 mph (64.37 km/h) | 41.21 mph (66.32 km/h) |
| 45 mph (72.42 km/h) | 46.36 mph (74.61 km/h) |
| 50 mph (80.47 km/h) | 51.51 mph (82.9 km/h) |
| 55 mph (88.51 km/h) | 56.66 mph (91.19 km/h) |
| 60 mph (96.56 km/h) | 61.81 mph (99.48 km/h) |
| 65 mph (104.61 km/h) | 66.97 mph (107.77 km/h) |
| 70 mph (112.65 km/h) | 72.12 mph (116.06 km/h) |
| 75 mph (120.7 km/h) | 77.27 mph (124.35 km/h) |
| 80 mph (128.75 km/h) | 82.42 mph (132.64 km/h) |
| 85 mph (136.79 km/h) | 87.57 mph (140.93 km/h) |
| 90 mph (144.84 km/h) | 92.72 mph (149.22 km/h) |
| 95 mph (152.89 km/h) | 97.87 mph (157.51 km/h) |
| 100 mph (160.93 km/h) | 103.02 mph (165.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2305 | 2678 | 2884 | 3011 | 3148 | 3246 | 3354 | 3482 | 3658 | 3835 | 4031 | 4188 | 4472 | 4786 | 5031 | 5188 | 5277 | 5600 | 6051 | 7032 |
Better Fuel Economy Factory Ratios Increased Power
